Desmoplastic small round cell tumor of the middle ear: A case report.

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Desmoplastic small round cell tumor of the middle ear: A case report.

Medicine (Baltimore). 2018 Apr;97(17):e0494

Authors: Xu J, Yao M, Yang X, Liu T, Wang S, Ma D, Li X

Abstract
RATIONALE: Desmoplastic small round cell tumor (DSRCT) is a rare, aggressive and malignant tumor. This report describes a case involving DSRCT of the middle ear which no case has been reported in the literature till date.
PATIENT CONCERN: A 59-year-old Chinese man with a 40-year history of repeated suppuration of his right ear and 1-year history of drooping of the angle of mouth. The CT of the middle ear and brain scan and enhanced MRI showed space occupying lesion in the right middle ear.
DIAGNOSES: Desmoplastic small round cell tumor of the middle ear.
INTERVENTIONS: After relevant examinations, radical mastoidectomy and subtotal temporal bone resection were performed on the right ear under general anesthesia. The patient underwent postoperative adjuvant chemoradiation therapy.
OUTCOMES: The patient was counterchecked regularly,there was norecurrence of DSRCT of the middle ear. Four years after surgery, the CT and MRI of the middle ear mastoid showed right middle ear soft tissue shadow,but postoperative pathological results showed proliferative fibrous and vascular tissues with chronic inflammatory cell infiltration and necrosis.
LESSONS: DSRCT is a relatively aggressive, malignant mesenchymal tumor, with a very poor prognosis.The diagnosis of DSRCT relies on immunohistological data. Early diagnosis, radical surgery, chemotherapy, and radiotherapy are considered a reasonable way to prolong survival.

PMID: 29703011 [PubMed - in process]

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