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DOI: 10.1055/s-0044-1779674
Oral Soft Tissue Metastasis from Breast Cancer as the Only Primary Source: Systematic Review
- Abstract
- Introduction
- Materials and Methods
- Results
- Discussion
- Limitations of the Current Study
- Conclusions
- References
Abstract
Background Breast cancer is one of the most lethal neoplasms causing death. Oral cavity is the rare site of distant metastasis from breast cancer. Very little research has been conducted to date to analyze breast cancer as the sole primary source of metastasis to the oral soft tissues. The goal of this study was to examine the published cases of oral soft tissue metastasis from breast cancer as the only primary source to date.
Methods An electronic search of the published literature was performed without publication year limitation in PubMed/Medline, Scopus, Google Scholar, Web of Science, Science Direct, Embase, and Research Gate databases, using mesh keywords like (“Breast cancer”, OR “Breast carcinoma”) AND (“Metastasis” OR “Metastases”), And (“Oral soft tissues” OR “Tongue” OR “Palate” OR “Tonsil” OR “Buccal mucosa” OR “Floor of mouth” OR “Vestibule” OR “Salivary glands”). We also searched all related journals manually. The reference list of all articles was also checked.
Results Our research revealed 88 relevant papers (September 1967–September 2023) with 96 patients in total. The most predominant oral soft tissues involved were salivary glands followed by the gingiva, tonsils, tongue, and buccal mucosa. A total of 23% of patients died with an average survival time of 1 to 15 months.
Conclusions Oral soft tissue metastasis from breast cancer is a rare event and has a bad prognosis. More cases need to be published to raise awareness of these lesions.
#
Introduction
Breast cancer (BC) is one of the most lethal neoplasms causing death. Worldwide, approximately 2.3 million new cases of BC and 684,996 deaths due to this malignancy were recorded in 2022 according to GLOBACON databases[1] and metastasis is the prime cause of death. The rate of metastasis even in uncommon sites is on the rise. On the other side, it has been observed that the overall survival of BC patients has been prolonged owing to the more effective therapy and the development of new imaging techniques and early detection. The most common organs involved in distant metastasis of BC are bones, lungs, liver, and brain.[2] The oral cavity is the rarest site of metastasis, and it can involve both osseous and soft tissues. Lung cancer is the most common cancer metastasizing to the oral soft tissues (OST), whereas BC is the most common source of metastasis to the jawbones (JB).[3] The prognosis of metastatic lesions in the oral cavity is unfavorable because of their late detection owing to the resemblance of benign growths. Literature has reported several studies analyzing metastatic tumors in the oral region.[3] [4] But very little research has been conducted to date to analyze BC as the sole primary source of metastasis to the OST. The goal of this study was to examine the published cases of oral soft tissue metastasis (OSTM) from BC as the only primary source to date.
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Materials and Methods
The current research was performed following the guidelines of Preferred Reporting Items for Systematic Reviews and Meta-Analyses. Owing to nature of the current review, any ethical approval was not required.
Focused Question
To conduct the study, CoCoPop (context, condition, population) framework, designed by Joanna Briggs Institute, was used focusing on the research question “How many cases of BC metastasizing to OST have been documented in the literature to date, and what is the prognosis of these metastatic lesions”?
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Pop (population): patients with BC.
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Co (condition): salivary gland metastasis.
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Co (context): characteristics of these patients.
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Search Strategy for Identification of Studies
An electronic search of the published literature was performed without publication year limitation in PubMed/Medline, Scopus, Google Scholar, Web of Science, Science direct, Embase, and Research Gate databases, using mesh keywords like (“Breast cancer”, OR “Breast carcinoma”) AND (“Metastasis” OR “Metastases”), And (“Oral soft tissues” OR “Tongue” OR “Palate” OR “Tonsil” OR “Buccal mucosa” OR “Floor of mouth” OR “Vestibule” OR “Salivary glands”). We also searched all related journals manually. The reference list of all articles was also checked ([Fig. 1]).
![](https://www.thieme-connect.de/media/10.1055-s-00051312/202401/thumbnails/10-1055-s-0044-1779674-i230110-1.jpg)
![Zoom Image](/products/assets/desktop/css/img/icon-figure-zoom.png)
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Screening of Studies
The current review involved three steps of screening the studies. In the first step, titles were reviewed by two authors (N.A., R.V.) independently and duplicates were removed. Then the other two authors (S.G., H.S.) reviewed the selected abstracts of all the reports independently. The reviewers were calibrated on the basis of their assessment of their titles and abstracts of the first 50 references retrieved. The kappa value of agreement between reviewers was 0.84. If the title/abstracts met the eligibility rule, they were included in the study. In the final stage, the text of selected studies was screened by remaining two authors (M.E.M.H., H.V.P.) separately. The full report was collected, discussed, and resolved for cases among all authors that appeared to fit the inclusion criteria or for which evidence was insufficient to make a clear determination.
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Inclusion Criteria
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Confirmed cases of OSTM from BC as the sole primary source. The papers included were from September 1967 to September 2023.
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Type of studies: case reports, case series, retrospective analysis, and original research.
-
Cases were selected beyond the restriction of limitations on parameters such as age, gender, ethnicity socioeconomic status, etc.
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Articles published in any language were included.
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Exclusion Criteria
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Cases with no definite diagnosis of OSTM from BC as the sole primary source.
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Publications reporting the OSTM from any site other than breast.
-
Cases with BC metastasis to JB and paranasal sinuses were not included.
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Studies that didn't provide individual patient data were excluded.
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Review articles, editorials, conference abstracts, hypothesis papers, web news, media reports, and animal studies.
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Outcome Measures
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Primary outcome measures: to evaluate the number of cases of OSTM from BC as the sole primary source reported in the literature and to determine their prognosis.
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Secondary outcome measures: to evaluate other factors such as worldwide distribution of cases of OSTM from BC, patient's demographic details, the predominant site of OSTM, clinical features of these metastatic lesions, most prevalent type of metastatic BC, immunoprofile, type of therapies used, and the prognosis of these patients.
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Risk of Bias Assessment
Most of the studies included in this review were case reports and case series. The risk of bias was appraised following CARE and Strengthening the Reporting of Observational Studies in Epidemiology checklists.[5] [6] In several papers, there was missing information regarding many parameters used for data extraction. We tried reaching the authors of those cases to clarify this bias; however, we were unable to recover the missing information.
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Data Extraction and Analysis
After study selection, screening and a thorough examination, the data were extracted. The information gathered was cross-checked and tabulated into three tables ([Tables 1] [2] [3] [4]). In case of missing data, 6 weeks' time was given to gather the information. If the information was still missing, we then indicated the missing data as “not available” in the text and in the tables. The results were expressed in descriptive statistics. The overall survival rate was calculated by survival analysis with Kaplan–Meier curves.
S. no. |
Authors |
Year |
Country |
Type of study |
Total no. of patients |
---|---|---|---|---|---|
1. |
Meher-Homji et al |
1967 |
India |
CR |
1 |
2. |
Perlmutter et al |
1974 |
Israel |
CR |
1 |
3. |
Solomon et al |
1975 |
United States |
CR |
1 |
4. |
Barton et al |
1980 |
Durham |
CR |
1 |
5. |
Meyers and Olshok |
1981 |
United States |
CR |
1 |
6. |
Wiesel et al |
1982 |
Israel |
CR |
3 |
7. |
Eckardt and Nommels |
1986 |
Germany |
CR |
1 |
8. |
Epstein et al |
1987 |
Canada |
CR |
1 |
9. |
Rosti et al |
1987 |
UK |
CR |
1 |
10. |
Cooney et al |
1988 |
United States |
CR |
1 |
11. |
Bissett et al |
1989 |
UK |
CR |
2 |
12. |
Needleman and Salah |
1992 |
Australia |
CR |
1 |
13. |
Win et al |
1992 |
Japan |
CR |
1 |
14. |
Calvo Boizas et al |
1995 |
Spain |
CR |
1 |
15. |
Vessecchia et al |
1995 |
Italy |
CR |
1 |
16. |
Bochnia et al |
1997 |
Poland |
CR |
1 |
17. |
Kollias and Gill |
1997 |
UK |
OR |
3 |
18. |
Rajesh et al |
1998 |
India |
CR |
1 |
19. |
Tueche et al |
1999 |
Belgium |
CR |
1 |
20. |
Joycee et al |
2000 |
Ireland |
CR |
1 |
21. |
Nicol and Iskandar |
2000 |
United States |
CR |
1 |
22. |
Cain et al |
2001 |
UK |
OR |
1 |
23. |
Scipio et al |
2001 |
West Indies |
CR |
1 |
24. |
Szymanski et al |
2002 |
Poland |
CR |
2 |
25. |
Zhang and Gu |
2003 |
United States |
CR |
1 |
26. |
Adelson et al |
2005 |
United States |
CR |
1 |
27. |
Chatterjee et al |
2006 |
UK |
CR |
1 |
28. |
Malhotra et al |
2006 |
India |
CR |
1 |
29. |
Masmoudi et al |
2006 |
Tunisia |
CR |
1 |
30. |
Nuyens et al |
2006 |
UK |
RA |
2 |
31. |
Perez-Fidalgo et al |
2007 |
Spain |
CR |
1 |
32. |
Neelakantan et al |
2008 |
UK |
CR |
1 |
33. |
Billan et al |
2009 |
Israel |
CR |
1 |
34. |
Dangore-Khasbage et al |
2009 |
India |
CR |
1 |
35. |
Laforga and Gasent |
2009 |
Spain |
CR |
1 |
36. |
Shah and Mehta |
2009 |
India |
CR |
1 |
37. |
Ramesh et al |
2010 |
India |
CR |
1 |
38. |
Bar et al |
2011 |
Israel |
CR |
1 |
39. |
Cihan et al |
2011 |
Turkey |
CR |
1 |
40. |
Erra and Costamagna |
2011 |
Italy |
CR |
1 |
41. |
Sellinger et al |
2011 |
Germany |
CR |
1 |
42. |
Al-Benna and Tzakas |
2012 |
UK |
CR |
1 |
43. |
Kechagias et al |
2012 |
Greece |
CR |
1 |
44. |
Maruzzo et al |
2012 |
Italy |
CR |
1 |
45. |
Jain et al |
2013 |
India |
CR |
1 |
46. |
Addeo et al |
2014 |
Italy |
CR |
1 |
47. |
Alath et al |
2014 |
Kuwait |
RA |
1 |
48. |
Sano et al |
2014 |
Japan |
CR |
1 |
49. |
Vivas et al |
2014 |
Brazil |
CS |
1 |
50. |
Akcan et al |
2015 |
Turkey |
CR |
1 |
51. |
Dievel et al |
2015 |
Belgium |
CR |
1 |
52. |
Duncan et al |
2015 |
UK |
CR |
1 |
53. |
Murhekar et al |
2015 |
India |
CR |
1 |
54. |
Khuranna et al |
2016 |
India |
CR |
1 |
55. |
Kmeid et al |
2016 |
Lebanon |
CR |
1 |
56. |
Srinivasan |
2016 |
United States |
CR |
1 |
57. |
El M'rabet et al |
2017 |
Africa |
CR |
1 |
58. |
Franzan et al |
2017 |
Germany |
RA |
1 |
59. |
Rewat et al |
2017 |
UK |
CR |
1 |
60. |
Sera et al |
2017 |
Japan |
CR |
1 |
61. |
Yoshiba et al |
2017 |
Japan |
CR |
1 |
62. |
Bohli et al |
2018 |
Tunisia |
CR |
1 |
63. |
Cao et al |
2018 |
China |
CR |
1 |
64. |
Aggarwal et al |
2019 |
India |
CR |
1 |
65. |
Assarian et al |
2019 |
India |
CR |
1 |
66. |
Cengiz et al |
2019 |
Turkey |
CR |
2 |
67. |
de Almeida Freire et al |
2019 |
Brazil |
CR |
1 |
68. |
Jakharia-Shah et al |
2019 |
UK |
CR |
1 |
69. |
Thakur et al |
2019 |
India |
CR |
1 |
70. |
Abdalla et al |
2020 |
UK |
CR |
1 |
71. |
Andinata et al |
2020 |
Indonesia |
CR |
1 |
72. |
Dhia et al |
2020 |
Tunisia |
CR |
1 |
73. |
Medayil |
2020 |
India |
CR |
1 |
74. |
Ndiaye et al |
2020 |
Senegal |
CR |
1 |
75. |
Nwabuoku et al |
2020 |
Nigeria |
CR |
1 |
76. |
Razmara et al |
2020 |
Iran |
CR |
1 |
77. |
Swain et al |
2020 |
India |
CR |
1 |
78. |
Jung et al |
2021 |
South Korea |
CR |
1 |
79. |
Murgia et al |
2021 |
Italy |
CR |
1 |
80. |
Nikolova et al |
2021 |
Cyprus |
CR |
1 |
81. |
Waruola et al |
2021 |
Nigeria |
CR |
1 |
82. |
Menezes et al |
2022 |
Brazil |
CR |
1 |
83. |
Miyazaki et al |
2022 |
Japan |
CR |
1 |
84. |
Sadasivan et al |
2022 |
India |
CR |
1 |
85. |
Almeida et al |
2023 |
Portugal |
CR |
1 |
86. |
Gholami et al |
2023 |
Iran |
CR |
1 |
87. |
Mansikka et al |
2023 |
Finland |
CR |
1 |
88. |
Peron et al |
2023 |
Brazil |
CR |
1 |
Abbreviations: CR, case report; CS, case series; OR, original research; RA, retrospective analysis.
Abbreviations: Ant, anterior; AS, angiosarcoma; BC, breast cancer; BL, bilateral; BM, buccal mucosa; BP, Bell's palsy; CP, cystosarcoma phyllodes; F, female; FNP, facial nerve palsy; FOM, floor of mouth; G, gingiva; HS, hemangiosarcoma; IDC, invasive ductal carcinoma; ILC, invasive lobular carcinoma; L, left; LN, lymph node; M, male; MM, multiple metastasis; Mand, mandible; Max, maxilla; MPT, malignant phyllodes tumor; NA, not available; P, parotid; Post, posterior; PS, phyllode sarcoma; R, right; RM, retromolar; SLG, sublingual gland; SM, sarcomatous; SMG, submandibular gland; SNA, site not available; T, tongue; TN, triple negative; To, tonsil; UD, undifferentiated; Y, yes.
Abbreviations: BRCA, breast cancer antigen; CD, cluster differentiation; CK, cytokeratin; EMA, epithelial membrane antigen; ER, estrogen receptor; ERB2: receptor tyrosine kinase-2; GCDFP, gross cystic disease fluid protein; HER2, human epidermal growth factor receptor 2; HMG, human menopausal gonadotropin; NA, not available; PR, progesterone receptor; SMA, smooth muscle antigen.
Abbreviations: D, death; Fav, favorable; LFU, lost to follow-up; NA, not available; TGO, treatment going on; UFU, under follow-up.
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Results
Our research strategy revealed a total of 88 relevant papers[7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] [55] [56] [57] [58] [59] [60] [61] [62] [63] [64] [65] [66] [67] [68] [69] [70] [71] [72] [73] [74] [75] [76] [77] [78] [79] [80] [81] [82] [83] [84] [85] [86] [87] [88] [89] [90] [91] [92] [93] [94] from September 1967 to September 2023. The results were expressed in descriptive statistics ([Table 4]). A total of 96 patients were included with 83 females and 1 male with a female to male ratio of 83:1. In 12 cases, no specific gender was documented. The maximum number of cases were from the United Kingdom (n-16) followed by India (n-15), United States (n-7), Israel (n-6), Italy and Japan (n-5). The patients' average age was 54.4 years (range: 24–89). The mean age was 53.8 years in females, and the age of male patients was 88 years. A total of 68 of the 96 patients (70.8%) had a previous history of BC, whereas 17 (17.7%) had none. The most predominant site of OSTM was salivary glands (56.3%) > gingiva (16.7%) > tonsils (7.3%) tongue (6.3%) > buccal mucosa (5.2%). Swelling/lump/mass were the most predominant symptoms (62.5%) followed by ulcerative, pedunculated and nodular lesions. OST was the initial site of metastasis in 17.7% of individuals, the only site of metastasis in 32.3% of cases, whereas 33.3% of cases involved other distant sites too. The most common type of BC diagnosed was invasive ductal carcinoma (IDC) followed by invasive lobular carcinoma (ILC). Major therapeutic aids included were combined therapies (35.4%) and palliative therapy (12.5%). A total of 20.8% of patients died with a mean survival rate of 1 to 15 months ([Table 5]).
Abbreviations: Ant, anterior; AD, adenocarcinoma; AS, angiosarcoma; BC, breast cancer; BL, bilateral; BM, buccal mucosa; BP, Bell's palsy; CP, cystosarcoma phyllodes; D, death; DBT, death before treatment; F, female; Fav, favorable; FNP, facial nerve palsy; FOM, floor of mouth; G, gingiva; HS, hemangiosarcoma; IDC, invasive ductal carcinoma; ILC, invasive lobular carcinoma; L, left; LFU, lost to follow-up; M, male; MM, multiple metastasis; Mand, mandible; Max, maxilla; MPT, malignant phyllodes tumor; NA, not available; P, parotid; Post, posterior; PS, phyllode sarcoma; R, right; RBP, refused by patient; RTO, referred to oncologist; RM, retromolar; SLG, sublingual gland; SM, sarcomatous; SMG, submandibular gland; SNA, site not available; T, tongue; TN, triple negative; To, tonsil; TGO, treatment going on; UD, undifferentiated; UFU, under follow-up; Y, yes.
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Discussion
BC is the first and second leading cause of cancer-related death in developing and developed countries, respectively. In the past few years, the cases of BC have rapidly increased in developed countries, mostly Australia, Western Europe, and Northern America.[2] In the current research, the maximum number of cases were from the United Kingdom (16.7%) followed by India (15.6%), United States (7.3%), Israel (6.2%), Italy and Japan (5.2%). Other regions involved a few cases ([Table 4]).
BC occurs predominantly during the fifth to sixth decade.[1] In the current study, the age ranged between second and eighth decade. Multiple underlying causes favor the development of BC that include obesity, hormonal and reproductive risk factors, alcohol, drug usage, malnutrition, genetic mutations, etc.[2] In the current research, there were not many associated risk factors, only a few patients had a history of obesity, hypertension, and a family history of BC.
Distant metastasis is the most common cause of death in BC patients. Distant spread of BC most often occurs in the lungs, bones, liver, and brain. The oral cavity is the rarest site. If this occurs, the JB is more affected than OST.[3] Pathogenic mechanisms of metastasis to the OST are not completely recognized. The route of secondary metastasis may be either hematogenous, lymphatic, or direct invasion. BC spreads to the OST predominantly following the hematogenous route. One of the proposed pathways is via Batson's valve plexus system.[51]
In the current research, we could document 96 cases of BC metastasizing to OST to date. The first case was reported in 1967.[7] The most common OST involved were salivary glands followed by gingiva, tonsils, tongue, and buccal mucosa. Parotid was the most common gland affected (n-46) followed by the submandibular gland (n-7). Only one case involved the sublingual gland.
Chronically, the inflamed mucosa of the gingiva, particularly the attached gingiva, contains a dense capillary network that can trap malignant cells and promote metastases.[4] In the current research, Studies conclude that gingival metastasis mostly occurs in the mandibular area rather than the maxillary with predominancy of posterior side involvement. In the current research, however, there was maxillary predilection (n-7). The anterior region was mostly affected in the maxilla, whereas there was more involvement of the posterior side in the mandible. In the maxilla, both the right and left sides were affected equally, whereas in the mandible, the right side predominated more than the left. Tonsils are the rarest site of metastasis. According to research, only 0.8% of malignant palatine tonsillar tumors were from an extra-tonsillar source.[3] Lymphatic spread to tonsils is rare due to the lack of afferent lymphatic capillaries except for retrograde spread via cervical lymph nodes or direct spread, the metastatic pathway is unclear. In the current literature, only seven cases of palatine tonsillar metastasis from BC have been observed. The tongue is a highly circulatory organ, which creates ideal conditions for the spread of cancer. The posterolateral and dorsal parts are more often involved in metastasis due to the rich capillary and lymphatic network and immobility. In the current research, 6/96 cases of metastatic BC involved the tongue, maximally affecting the base. Lip, buccal mucosa, the floor of the mouth, retromolar region, palate, and other OST are the rarest sites of metastasis.
Only a few cases involved these regions affected via BC metastasis.
Oral metastatic tumors are of high clinical importance because they may be the only symptom of an undiagnosed underlying malignancy or the first sign of metastasis.[3] [4] In our study, 17.7% of cases of OSTM from BC presented as the initial site of metastasis, whereas in 70.6% of cases, metastasis was detected after the mastectomy done for BC, with an average time of 1 week to 26 years. The clinical aspects of BC metastasis in the OST vary according to the anatomical site involved characterized by rapidly growing painful or asymptomatic swellings, lumps or masses, difficulty in chewing, and dysphagia. Facial nerve palsy (FNP) may be a feature of lesions involving salivary glands especially parotid. In our research, seven cases manifested FNP. These metastatic lesions often become difficult to diagnose because their variable appearance bears close resemblance to some benign hyperplastic or reactive oral lesions. In the present research, swelling, lump, and mass were the most predominant clinical features observed. Other lesions appeared as ulcerative, exophytic, pedunculated, nodular, and edematous. A history of primary tumors could help in the detection of secondary metastatic deposits. Before the metastatic spread to the oral cavity, the majority of patients are aware of their primary tumors. However, metastasis to OST via BC is a late indication. In the current research, 70.8% of patients had a previous history of primary BC, whereas 17.7% of patients didn't reveal such a history.
Histopathological examination is required to provide a conclusive diagnosis of the type of metastatic lesion. However, it might be difficult to make an exact diagnosis because of varied histological appearance, particularly when the major focus of the primary site is unknown. Other tools, such as special staining, immunohistochemistry, and electron microscopy, may be necessary in some circumstances to determine the initial tumor's nature. A biopsy is recommended for the histopathological examination to provide a conclusive diagnosis of the type of metastatic lesion. However, it might be difficult to make an exact diagnosis because of varied histological appearance, particularly when the major focus of the primary site is unknown. Histopathologically, BC has been divided into various subgroups.[95] IDC is the most predominant type and has been discovered to be the most prevalent metastasizing to the OST. In the current research, the most prevalent type of metastatic BC was IDC (70.8%) followed by ILC (6.2%). Other types were malignant phyllode tumors, angiosarcoma, hemangiosarcoma, etc. Immunoprofile of the tumor cells in individual patients was also detected, which was variable ([Table 3]). In many cases, immunohistochemical analysis data were not available.
Imaging techniques such as computerized tomography scans and magnetic resonance imaging can help in the assessment of possible extension or invasion. Positron emission tomography is useful in detecting distant organ metastasis. Although BC entails multiorgan distant metastases, OST might occasionally be the only site of metastasis many times. A total of 32.3% of instances in this study had OST as the only location of BC metastasis, whereas 33.3% had metastasis to other regions as well such as lungs, brain, liver, vertebrae, etc.
The treatment of choice for primary BC ranges from mastectomy to chemotherapy, radiotherapy hormonal therapy, or even palliative treatment. Management for OSTM disease includes a combination of surgical removal of solitary tumors, chemotherapy, radiotherapy, endocrine therapy, and targeted therapy. For single parotid metastasis, parotidectomy (total or superficial) with negative margins (preferably with preservation of facial nerve) and postoperative radiotherapy to obtain local tumor control and to exclude a primary parotid tumor. The most commonly used therapeutic aids in this study were combined therapy (35.4%). Other therapies used were palliative, chemotherapy, radiotherapy, and hormonal. Despite the proposed treatments, patients with metastatic involvement of the OST have poor prognosis, with the 5-year survival rate reported to be 10%. According to the current study, 20.8% of individuals died with an average survival time of 1 to 15 months. A total of 8.7% of patients had a good prognosis with no signs of recurrence. In one patient, treatment is going on. Two cases are under follow-up.
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Limitations of the Current Study
One of the limitations of current research was the small sample size. Most of the studies included were case reports and case series, and in many of the included studies, individual data of patients was not available.
#
Conclusions
During the past 56 years (1967–2023), we found only 96 cases of OSTM from BC as the sole primary source. This signifies a rare occurrence of OSTM from BC. The prognosis was poor involving 20.8% deaths with a survival rate of 1 to 15 months. Salivary glands, gingiva, tonsils, tongue, and buccal mucosa were the most prevalent sites to get metastasize. Because of their resemblance to other pathologies and late clinical signs, these lesions go unnoticed the majority of the time. Diagnosis of oral metastatic lesions is a challenging task for the clinicians and pathologists. A thorough examination of the metastatic lesions is required, including a review of the patient's medical history, clinical presentation, and early diagnosis to identify the primary site of metastasis and choose the best course of treatment.
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Conflict of Interest
None declared.
Abbreviations
BC: Breast cancer, BM: Buccal mucosa, FNP: Facial nerve palsy, FOM: Floor of mouth, JB: Jaw bones, IDC: Invasive ductal carcinoma, ILC: Invasive lobular carcinoma, LC: Lung cancer, NA: Not available, OST: Oral soft tissues, OSTM: Oral soft tissue metastasis.
Ethical Approval and Consent to Participate
Not applicable.
Consent for Publication
Not applicable.
Availability of Data and Material
Electronic research.
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- 7 Meher-Homji DR, Gavadia ML, Dabhoiwala NF. Carcinoma of the breast metastatic to the anterior part of the tongue. Indian J Cancer 1967; 4 (03) 340-342
- 8 Perlmutter S, Buchner A, Smukler H. Metastasis to the gingiva. Report of a case of metastasis from the breast and review of the literature. Oral Surg Oral Med Oral Pathol 1974; 38 (05) 749-754
- 9 Solomon MP, Rosen Y, Gardner B. Metastatic malignancy in the submandibular gland. Oral Surg Oral Med Oral Pathol 1975; 39 (03) 469-473
- 10 Barton TK, Kesterson GH, Wellman D, McCarty Jr KS. Tonsillar metastasis from carcinoma of the breast with ultrastructural and steroid receptor analyses. Laryngoscope 1980; 90 (03) 477-485
- 11 Meyers AD, Olshock R. Metastasis to the submaxillary gland from the breast - a case report and literature review. J Otolaryngol 1981; 10 (04) 278-282
- 12 Wiesel JM, Weshler Z, Sherman Y, Gay I. Parotid gland metastatic carcinoma of breast origin. J Surg Oncol 1982; 20 (04) 227-230
- 13 Eckardt A, Nommels R. Breast carcinoma metastatic to the gingiva. J Oral Maxillofac Surg 1986; 44 (11) 902-905
- 14 Epstein JB, Knowling MA, Le Riche JC. Multiple gingival metastases from angiosarcoma of the breast. Oral Surg Oral Med Oral Pathol 1987; 64 (05) 554-557
- 15 Rosti G, Callea A, Merendi R. et al. Metastases to the submaxillary gland from breast cancer: case report. Tumori 1987; 73 (04) 413-416
- 16 Cooney BM, Ruth GJ, Behrman DA, Bova GS, Behrman SJ. Malignant cystosarcoma phyllodes of the breast metastatic to the oral cavity: report of a case and review of the literature. Oral Surg Oral Med Oral Pathol 1988; 66 (05) 599-604
- 17 Bissett D, Bessell EM, Bradley PJ, Morgan DA, McKenzie CG. Parotid metastases from carcinoma of the breast. Clin Radiol 1989; 40 (03) 309-310
- 18 Needleman IG, Salah MW. Metastatic breast carcinoma presenting with multiple gingival epulides. Br Dent J 1992; 172 (12) 448-450
- 19 Win KK, Yasuoka T, Kamiya H, Jinno T. Breast angiosarcoma metastatic to the maxillary gingiva. Case report. Int J Oral Maxillofac Surg 1992; 21 (05) 282-283
- 20 Calvo Boizas E, Rodríguez Gutiérrez A, Muñoz Herrera A, Soria Carreras P. [Metastasis of breast carcinoma in parotid. A case report and review of the literature]. Acta Otorrinolaringol Esp 1995; 46 (05) 391-393
- 21 Vessecchia G, Di Palma S, Giardini R. Submandibular gland metastasis of breast carcinoma: a case report and review of the literature. Virchows Arch 1995; 427 (03) 349-351
- 22 Bochnia M, Jelen M, Jaworska M, Jankowska-Kuc M. Bilateral parotid gland metastases with oncocytosis. Med Sci Monit 1997; 3: 578-580
- 23 Kollias J, Gill PG. Superficial parotidectomy for parotid metastases from breast cancer. Breast 1997; 6: 108-109
- 24 Rajesh KS, Varma BR, Bhat KM. Metastasis to maxillary gingiva from carcinoma of breast. A case report. Indian J Dent Res 1998; 9 (01) 23-27
- 25 Tueche SG, Nguyen H, Larsimont D, Andry G. Late onset of tonsillar metastasis from breast cancer. Eur J Surg Oncol 1999; 25 (04) 439-440
- 26 Joyce MR, Awad ZT, Saleem T, Salmo EN, Gormley M, Given HF. The parotid gland: an unusual site of metastasis from carcinoma of breast. Ir J Med Sci 2000; 169 (03) 230
- 27 Nicol KK, Iskandar SS. Lobular carcinoma of the breast metastatic to the oral cavity mimicking polymorphous low-grade adenocarcinoma of the minor salivary glands. Arch Pathol Lab Med 2000; 124 (01) 157-159
- 28 Cain AJ, Goodlad J, Denholm SW. Metachronous bilateral submandibular gland metastases from carcinoma of the breast. J Laryngol Otol 2001; 115 (08) 683-684
- 29 Scipio JE, Murti PR, Al-Bayaty HF, Matthews R, Scully C. Metastasis of breast carcinoma to mandibular gingiva. Oral Oncol 2001; 37 (04) 393-396
- 30 Szymański M, Siwiec H, Olszański W, Gołabek W. [Parotid metastases from breast cancer]. Wiad Lek 2002; 55 (7-8): 494-497
- 31 Zhang JZ, Gu M. Malignant phyllodes tumor of the breast metastatic to the parotid gland diagnosed by fine needle aspiration biopsy. A case report. Acta Cytol 2003; 47 (02) 253-258
- 32 Adelson RT, DeFatta RJ, Miles BA, Hoblitt SL, Ducic Y. Metastatic breast cancer of the oral cavity. Am J Otolaryngol 2005; 26 (04) 279-281
- 33 Chatterjee M, Balaraman K, McDermott P. Metastatic breast carcinoma discovered in a dentigerous cyst - a case report. Br Dent J 2006; 201 (06) 349-350
- 34 Malhotra G, Nair N, Awasare S. F-18 FDG PET scan findings in a case of carcinoma of the breast with a rare site of metastases to the gingival region. Clin Nucl Med 2006; 31 (12) 820-821
- 35 Masmoudi A, Ayadi L, Bouassida S. et al. [Gingival metastasis in breast phyllodes tumor]. Ann Dermatol Venereol 2006; 133 (5 Pt 1): 449-451
- 36 Nuyens M, Schüpbach J, Stauffer E, Zbären P. Metastatic disease to the parotid gland. Otolaryngol Head Neck Surg 2006; 135 (06) 844-848
- 37 Perez-Fidalgo JA, Chirivella I, Laforga J. et al. Parotid gland metastasis of a breast cancer. Clin Transl Oncol 2007; 9 (04) 264-265
- 38 Neelakantan P, McLean SR, Kenny S. et al. Breast cancer metastasizing to the tongue. Can J Surg 2008; 51 (03) E63-E64
- 39 Billan S, Abdah-Bortnyak R, Stein ME, Kuten A. Base of the tongue metastasis: aggressive behavior of triple-negative breast carcinoma. Isr Med Assoc J 2009; 11 (04) 250
- 40 Dangore-Khasbage SB, Degwekar SS, Bhowate RR, Bhake A. Metastatic involvement of parotid from carcinoma of the breast–a case report. Oral Maxillofac Surg 2009; 13 (01) 49-53
- 41 Laforga JB, Gasent JM. Mammary invasive duct carcinoma metastatic to parotid gland: report of a case diagnosed by fine-needle aspiration. Diagn Cytopathol 2009; 37 (02) 154-158
- 42 Shah MY, Mehta AR. Metastasis from breast cancer presenting as an epulis in the upper gingiva. J Oral Maxillofac Pathol 2009; 13 (01) 38-40
- 43 Ramesh RS, Manjunath S, Ustad TH, Pais S, Shivakumar K. Breast cancer presenting as parotid tumour - first reported case in literature. Indian J Surg Oncol 2010; 1 (01) 76-77
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- 46 Erra S, Costamagna D. Breast cancer metastatic to the submandibular gland. Case report. G Chir 2011; 32 (04) 194-198
- 47 Sellinger M, Neubauer K, William M, Hemmerlein B, Friedrich M, Salehin D. Contralateral metastasis of parotid gland in advanced breast cancer with peripheral facial paralysis. Arch Gynecol Obstet 2011; 284 (06) 1557-1560
- 48 Al-Benna S, Tzakas E. Submental lymph node metastasis from invasive ductal breast carcinoma. Arch Gynecol Obstet 2012; 285 (04) 1153-1156
- 49 Kechagias N, Ntomouchtsis A, Patrikidou A, Christoforidou B, Andreadis C, Vahtsevanos K. Metastasis of a ductal breast carcinoma to the buccal mucosa of the mandible with tooth involvement. Oral Maxillofac Surg 2012; 16 (04) 377-381
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- 12 Wiesel JM, Weshler Z, Sherman Y, Gay I. Parotid gland metastatic carcinoma of breast origin. J Surg Oncol 1982; 20 (04) 227-230
- 13 Eckardt A, Nommels R. Breast carcinoma metastatic to the gingiva. J Oral Maxillofac Surg 1986; 44 (11) 902-905
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- 15 Rosti G, Callea A, Merendi R. et al. Metastases to the submaxillary gland from breast cancer: case report. Tumori 1987; 73 (04) 413-416
- 16 Cooney BM, Ruth GJ, Behrman DA, Bova GS, Behrman SJ. Malignant cystosarcoma phyllodes of the breast metastatic to the oral cavity: report of a case and review of the literature. Oral Surg Oral Med Oral Pathol 1988; 66 (05) 599-604
- 17 Bissett D, Bessell EM, Bradley PJ, Morgan DA, McKenzie CG. Parotid metastases from carcinoma of the breast. Clin Radiol 1989; 40 (03) 309-310
- 18 Needleman IG, Salah MW. Metastatic breast carcinoma presenting with multiple gingival epulides. Br Dent J 1992; 172 (12) 448-450
- 19 Win KK, Yasuoka T, Kamiya H, Jinno T. Breast angiosarcoma metastatic to the maxillary gingiva. Case report. Int J Oral Maxillofac Surg 1992; 21 (05) 282-283
- 20 Calvo Boizas E, Rodríguez Gutiérrez A, Muñoz Herrera A, Soria Carreras P. [Metastasis of breast carcinoma in parotid. A case report and review of the literature]. Acta Otorrinolaringol Esp 1995; 46 (05) 391-393
- 21 Vessecchia G, Di Palma S, Giardini R. Submandibular gland metastasis of breast carcinoma: a case report and review of the literature. Virchows Arch 1995; 427 (03) 349-351
- 22 Bochnia M, Jelen M, Jaworska M, Jankowska-Kuc M. Bilateral parotid gland metastases with oncocytosis. Med Sci Monit 1997; 3: 578-580
- 23 Kollias J, Gill PG. Superficial parotidectomy for parotid metastases from breast cancer. Breast 1997; 6: 108-109
- 24 Rajesh KS, Varma BR, Bhat KM. Metastasis to maxillary gingiva from carcinoma of breast. A case report. Indian J Dent Res 1998; 9 (01) 23-27
- 25 Tueche SG, Nguyen H, Larsimont D, Andry G. Late onset of tonsillar metastasis from breast cancer. Eur J Surg Oncol 1999; 25 (04) 439-440
- 26 Joyce MR, Awad ZT, Saleem T, Salmo EN, Gormley M, Given HF. The parotid gland: an unusual site of metastasis from carcinoma of breast. Ir J Med Sci 2000; 169 (03) 230
- 27 Nicol KK, Iskandar SS. Lobular carcinoma of the breast metastatic to the oral cavity mimicking polymorphous low-grade adenocarcinoma of the minor salivary glands. Arch Pathol Lab Med 2000; 124 (01) 157-159
- 28 Cain AJ, Goodlad J, Denholm SW. Metachronous bilateral submandibular gland metastases from carcinoma of the breast. J Laryngol Otol 2001; 115 (08) 683-684
- 29 Scipio JE, Murti PR, Al-Bayaty HF, Matthews R, Scully C. Metastasis of breast carcinoma to mandibular gingiva. Oral Oncol 2001; 37 (04) 393-396
- 30 Szymański M, Siwiec H, Olszański W, Gołabek W. [Parotid metastases from breast cancer]. Wiad Lek 2002; 55 (7-8): 494-497
- 31 Zhang JZ, Gu M. Malignant phyllodes tumor of the breast metastatic to the parotid gland diagnosed by fine needle aspiration biopsy. A case report. Acta Cytol 2003; 47 (02) 253-258
- 32 Adelson RT, DeFatta RJ, Miles BA, Hoblitt SL, Ducic Y. Metastatic breast cancer of the oral cavity. Am J Otolaryngol 2005; 26 (04) 279-281
- 33 Chatterjee M, Balaraman K, McDermott P. Metastatic breast carcinoma discovered in a dentigerous cyst - a case report. Br Dent J 2006; 201 (06) 349-350
- 34 Malhotra G, Nair N, Awasare S. F-18 FDG PET scan findings in a case of carcinoma of the breast with a rare site of metastases to the gingival region. Clin Nucl Med 2006; 31 (12) 820-821
- 35 Masmoudi A, Ayadi L, Bouassida S. et al. [Gingival metastasis in breast phyllodes tumor]. Ann Dermatol Venereol 2006; 133 (5 Pt 1): 449-451
- 36 Nuyens M, Schüpbach J, Stauffer E, Zbären P. Metastatic disease to the parotid gland. Otolaryngol Head Neck Surg 2006; 135 (06) 844-848
- 37 Perez-Fidalgo JA, Chirivella I, Laforga J. et al. Parotid gland metastasis of a breast cancer. Clin Transl Oncol 2007; 9 (04) 264-265
- 38 Neelakantan P, McLean SR, Kenny S. et al. Breast cancer metastasizing to the tongue. Can J Surg 2008; 51 (03) E63-E64
- 39 Billan S, Abdah-Bortnyak R, Stein ME, Kuten A. Base of the tongue metastasis: aggressive behavior of triple-negative breast carcinoma. Isr Med Assoc J 2009; 11 (04) 250
- 40 Dangore-Khasbage SB, Degwekar SS, Bhowate RR, Bhake A. Metastatic involvement of parotid from carcinoma of the breast–a case report. Oral Maxillofac Surg 2009; 13 (01) 49-53
- 41 Laforga JB, Gasent JM. Mammary invasive duct carcinoma metastatic to parotid gland: report of a case diagnosed by fine-needle aspiration. Diagn Cytopathol 2009; 37 (02) 154-158
- 42 Shah MY, Mehta AR. Metastasis from breast cancer presenting as an epulis in the upper gingiva. J Oral Maxillofac Pathol 2009; 13 (01) 38-40
- 43 Ramesh RS, Manjunath S, Ustad TH, Pais S, Shivakumar K. Breast cancer presenting as parotid tumour - first reported case in literature. Indian J Surg Oncol 2010; 1 (01) 76-77
- 44 Bar R, Netzer A, Ostrovsky D, Daitzchman M, Golz A. Abrupt tonsillar hemorrhage from a metastatic hemangiosarcoma of the breast: case report and literature review. Ear Nose Throat J 2011; 90 (03) 116-120
- 45 Cihan YB, Deniz K, Yilmaz MS. Synchronous parotid and thyroid gland metastases from breast cancer. Breast Care (Basel) 2011; 6 (02) 133-135
- 46 Erra S, Costamagna D. Breast cancer metastatic to the submandibular gland. Case report. G Chir 2011; 32 (04) 194-198
- 47 Sellinger M, Neubauer K, William M, Hemmerlein B, Friedrich M, Salehin D. Contralateral metastasis of parotid gland in advanced breast cancer with peripheral facial paralysis. Arch Gynecol Obstet 2011; 284 (06) 1557-1560
- 48 Al-Benna S, Tzakas E. Submental lymph node metastasis from invasive ductal breast carcinoma. Arch Gynecol Obstet 2012; 285 (04) 1153-1156
- 49 Kechagias N, Ntomouchtsis A, Patrikidou A, Christoforidou B, Andreadis C, Vahtsevanos K. Metastasis of a ductal breast carcinoma to the buccal mucosa of the mandible with tooth involvement. Oral Maxillofac Surg 2012; 16 (04) 377-381
- 50 Maruzzo M, Giorgi CA, Marioni G. et al. Late onset (22 years) of simultaneous tonsillar and cervical lymph node metastases from breast ductal carcinoma. Am J Otolaryngol 2012; 33 (05) 627-630
- 51 Jain S, Kadian M, Khandelwal R, Agarwal U, Bhowmik KT. Buccal metastasis in a case of carcinoma breast: a rare case report with review of literature. Int J Surg Case Rep 2013; 4 (04) 406-408
- 52 Addeo R, Napolitano A, Montella L, Ricciardiello F. Squamous cell carcinoma of the tongue in a female with advanced breast cancer: a case report of an elderly patient presenting with two types of cancer. Oncol Lett 2014; 8 (01) 235-237
- 53 Alath P, Kapila K, Hussein S. et al. Parotid gland metastasis of breast cancer diagnosed on fine needle aspiration cytology: case report and review of literature. Cytopathology 2014; 25 (05) 346-348
- 54 Sano R, Sato E, Watanabe T. et al. Phyllodes tumor metastasis to the tonsil with synchronous undifferentiated carcinoma. Int J Surg Case Rep 2014; 5 (06) 290-293
- 55 Vivas AP, Bomfin LE, Pinto CA, Nicolau UR, Alves FA. Oral metastasis of metaplastic breast carcinoma in a patient with neurofibromatosis 1. Case Rep Oncol Med 2014; 2014: 719061
- 56 Akcan F, Çadallı Tatar E, Saylam G, Korkmaz H. Management of breast cancer metastasis to parotid gland. Çağdaş Tıp Dergisi 2015; 5: 100-130
- 57 Dievel JV, Aelvoet C, Van den Bulck H, Wynendaele W. Angioedema of the tongue in a patient with breast carcinoma treated with exemestane-everolimus in combination with an angiotensin- converting enzyme inhibitor. Belg J Med Oncol 2015; 9: 71-73
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