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DOI: 10.1055/s-0041-1728924
Parotid lesions – preoperative management with the use of clinical examination, ultrasound, and core needle biopsy
Introduction Among head and neck tumors lesions in the parotid gland are rare. Multiple tumor entities have been described in the parotid gland. To guide surgical management pre-operative determination of tumor dignity is of the utmost importance. The aim of this study is to refine the preoperative evaluation of parotid gland masses with the use of ultrasound and core needle biopsy.
Material and Methods We conducted a retrospective cohort study between 2/2014 and 10/2020 including all patients referred to our institution for evaluation of a parotid mass. When malignancy was suspected based on initial clinical evaluation or sonographic findings, ultrasound-guided core needle biopsy was pursued. Core needle biopsy was also performed in all cases in which risk for general anesthesia was deemed prohibitive due to advanced age or comorbidities. Information about tumor entity, preoperative evaluation of dignity, surgical therapy and postoperative complications was collected and evaluated.
Results Among the 956 patients included in this study 209 malignant cases were identified. For diagnostic purposes a core needle biopsy was performed in 104 cases out of which 62 were diagnosed with malignancy. The most common malignant lesions were distant metastases of cutaneous squamous cell carcinoma. In 42 patients core needle biopsy established the diagnosis of a benign tumor entity and treatment in these cases could thereby be optimized.
Conclusion Ultrasound in combination with core needle biopsy can improve the determination of dignity preoperatively and guide treatment. Therefore, accurate preoperative histopathological evaluation of parotid lesions can reliably establish a diagnosis and optimize surgical approaches particularly in patients of advanced age or with comorbidities.
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Conflict of interest
Der Erstautor gibt keinen Interessenskonflikt an.
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Publication History
Article published online:
13 May 2021
© 2021. The Author(s). 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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