منابع مشابه
Oncocytoma: the vanishing parotid mass.
Parotid gland oncocytoma is an uncommon, benign salivary neoplasm composed of mitochondria-rich oncocytes. The purpose of this study was to correlate MR imaging and histopathology of parotid gland oncocytomas and to define the features that may distinguish these neoplasms from other benign and malignant parotid gland tumors. The MR imaging features in 9 patients with a pathologic diagnosis of o...
متن کاملOncocytoma of Parotid Gland
Oncocytomas of salivary gland are benign tumors composed exclusively of oncocytic cells. Majority of them occur in parotid gland and have excellent prognosis following complete excision. They should be differentiated from other salivary gland tumors with more prominent oncocytic component and nodular oncocytic hyperplasia. Herein we present a case of oncocytoma of parotid gland in a 48 year old...
متن کاملMalignant oncocytoma of the parotid gland.
A 57-year-old woman was first seen in the ENT clinic of Osaka University Hospital with a complaint of recent enlargement of a painless mass at the right parotid region of 35 years' duration. A smooth surfaced, elastic mass of about 5 × 6cm was palpated at the right subauricular area extending to the submandibular region. The mass was not adhered to the skin. There was no other otolaryngologic, ...
متن کاملOncocytoma of parotid gland: A rare case
Oncocytomas are benign salivary gland tumors composed of oncocytes, cuboidal to columnar epithelial cells with abundant eosinophilic cytoplasm secondary to the accumulation of excessive number of mitochondria. In 1894, the German pathologist Hurth cells in normal canine thyroid glands, while the term "Oncocyte" was coined by Hamperl in 1931. Fine Needle Aspiration Cytology salivary gland lesion...
متن کاملParotid gland oncocytoma: a case report
Oncocytomas are a rare group of neoplasms of the parotid gland which have been correlated to various viral infections. We report the first case of a patient with parotid oncocytoma and a previous history of chronic HBV infection.
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ژورنال
عنوان ژورنال: American Journal of Neuroradiology
سال: 2011
ISSN: 0195-6108,1936-959X
DOI: 10.3174/ajnr.a2569