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CC BY-NC-ND 4.0 · South Asian J Cancer
DOI: 10.1055/s-0044-1787291
Original Article

Oncological Safety and Feasibility of Posterior Marginal Mandibulectomy vis-à-vis Anterior Marginal Mandibulectomy in Oral Cancers

Sudhir Nair
1   Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Affiliated to the Homi Bhabha National Institute, Navi Mumbai, Maharashtra, India
,
Hitesh R. Singhavi
2   Department of Surgical Oncology, Fortis Hospital Mulund, Mumbai, Maharashtra, India
,
Kamal Deep Joshi 
3   Command Hospital (WC), Chandimandir, Haryana, India
,
Rathan Shetty
1   Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Affiliated to the Homi Bhabha National Institute, Navi Mumbai, Maharashtra, India
,
Poonam Joshi
1   Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Tata Memorial Centre, Affiliated to the Homi Bhabha National Institute, Navi Mumbai, Maharashtra, India
,
Sarbani Ghosh Lashkar 
4   Department of Radiation Oncology, Tata Memorial Hospital, Affiliated to the Homi Bhabha National Institute, Mumbai, Maharashtra, India
,
Pankaj Chaturvedi
5   Department of Surgical Oncology, Tata Memorial Hospital, Affiliated to the Homi Bhabha National Institute, Mumbai, Maharashtra, India
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Funding None.
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Abstract

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Sudhir Nair

The surgical management of retromolar trigone cancer (RTC) is an area of contention regarding the extent of bony resection. We aim to evaluate the oncological safety and feasibility of posterior marginal mandibulectomy (PMM) for RTC. We analyzed the clinical records of 98 patients with squamous cell carcinoma managed surgically using marginal mandibulectomy during 2014 to 2017, in which anterior segment mandibulectomy (AMM) and PMM were done in 56 and 42 patients, respectively. The median follow-up time was 44.4 months (95% confidence interval [CI] 42.3, 49.5) and the overall survival rate was 93.9% (95% CI 89.4–98.8%). The local recurrence rate was 19.6 and 18.3 % in PMM and AMM (p = 0.854). In the PMM group, osteoradionecrosis (ORN) was detected in two patients (4.3%) and fractures in one (2.1%) patient, while the AMM group neither had fracture nor ORN till the latest follow-up. The study results suggest that PMM is an oncological safe and adequate procedure for RTC.

Keywords

local recurrence rate - osteoradionecrosis - posterior marginal mandibulectomy - retromolar trigone cancer - survival rate


Publikationsverlauf

Eingereicht: 21. Juni 2023

Angenommen: 01. Mai 2024

Artikel online veröffentlicht:
30. Mai 2024

© 2024. MedIntel Services Pvt Ltd. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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