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Published in: Journal of Medical Case Reports 1/2024

Open Access 20-01-2024 | Salivary Gland Cancer | Case report

Carcinosarcoma of the parotid gland: a case report and review of the literature

Authors: Swachi Jain, Mohammed Abdelwahed, Daniel Hector Chavarria, Lucio Pereira, Gary Stone, Alan Johnson, Jian Yi Li

Published in: Journal of Medical Case Reports | Issue 1/2024

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Abstract

Background

Carcinosarcoma of the parotid gland is an extremely rare malignancy comprising of 0.04–0.16% of all salivary gland tumors. This is the first case of an adenoid cystic carcinoma with chondrosarcoma to the best of our knowledge. They consist of distinct carcinomatous and sarcomatous components and may arise de novo or from a preexisting pleomorphic adenoma.

Case presentation

Herein we present a case of an 80-year-old white female who presented with progressively increasing left facial swelling over 6 weeks. Magnetic Resonance Imagining revealed a mass (3.4 cm) in the parotid gland with a predominant cystic/necrotic component. The cytology was atypical (Milan3) and a total parotidectomy and selective lymph node dissection was done. The resection showed extensive necrosis with high grade sarcomatous (chondrosarcoma) areas. The epithelial component was adenoid cystic carcinoma with perineural invasion. The patient is currently undergoing radiotherapy of the tumor bed and skull base due to propensity of perineural invasion of the adenoid cystic component. The most common carcinomas in carcinosarcomas of salivary glands are adenocarcinoma and squamous cell carcinoma.

Conclusion

Carcinosarcoma is a high-grade aggressive lesion with a poor prognosis and should be treated aggressively. More studies are needed to understand the origin of these tumors.
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Metadata
Title
Carcinosarcoma of the parotid gland: a case report and review of the literature
Authors
Swachi Jain
Mohammed Abdelwahed
Daniel Hector Chavarria
Lucio Pereira
Gary Stone
Alan Johnson
Jian Yi Li
Publication date
20-01-2024
Publisher
BioMed Central
Published in
Journal of Medical Case Reports / Issue 1/2024
Electronic ISSN: 1752-1947
DOI
https://doi.org/10.1186/s13256-023-04280-7

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