Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Τετάρτη 21 Φεβρουαρίου 2018

A rare primary leiomyosarcoma of the parotid gland: A case report and literature review

Publication date: Available online 1 February 2018
Source:American Journal of Otolaryngology
Author(s): Lauren E. Yue, Muhammad Qazi, Kimberly Kiplagat, Fred M. Baik, Azita Khorsandi, Margaret Brandwein-Weber, Mark Urken
BackgroundLeiomyosarcoma of the head and neck region is very rare. Primary parotid leiomyosarcoma has only been reported nine times in the medical literature.MethodsA 68-year-old female presented with a left facial mass. Physical examination revealed a firm immobile mass at the level of the left parotid tail. No facial nerve dysfunction or palpable adenopathy was noted at the time of presentation. This patient underwent a superficial parotidectomy with a facial nerve dissection and left selective neck dissection.ResultsPathologic findings revealed a sarcoma of intermediate to high-grade, composed of spindle cells with herringbone pattern, eosinophilic fibrillary cytoplasm, and focal granularity. Immunohistochemistry was positive for vimentin and smooth muscle actin and negative for desmin, S100 and CD34. The findings are consistent with a leiomyosarcoma. Following complete surgical resection, adjuvant radiation therapy was administered.ConclusionPrimary sarcomas of the parotid gland, specifically parotid leiomyosarcomas, are extremely rare. Based on this patient's tumor size, grade and resectability, this case met the criteria for a primary leiomyosarcoma. We present only the tenth case of a primary parotid leiomyosarcoma to be reported in the English literature.



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