Malignant epithelioid neurilemoma (schwannoma)
نویسندگان
چکیده
منابع مشابه
Malignant Epithelioid Schwannoma of the Oral Cavity in a Cat
A malignant epithelioid schwannoma of the oral cavity was diagnosed in an 8-year-old domestic short-hair cat. The mass was located in the gingiva of the upper left premolar to molar region and showed multinodular growth patterns. The mass comprised epithelioid cells arranged in densely packed sheets. Tumor cells had large, round to oval nuclei with prominent nucleoli and an abundant eosinophili...
متن کاملMalignant peripheral nerve sheath tumour (malignant epithelioid Schwannoma) of the parotid gland.
PROBLEMS/OBJECTIVES Malignant peripheral nerve sheath tumours are uncommon soft tissue tumours originating from Schwann cells or nerve sheath cells. Malignant epithelioid schwannoma is an aggressive variant of malignant peripheral nerve sheath tumour, and unfortunately is related with a high rate of recurrence and poor prognosis. METHODOLOGY In this study we present a rare case of malignant e...
متن کاملEpithelioid Schwannoma of a Spinal Nerve Root.
Even though the diagnosis of schwannoma is usually straightforward in lesions with classic features, tumors with predominantly epithelioid morphology or marked myxoid change may present a diagnostic challenge. There are relatively few reported cases of epithelioid schwannoma entirely lacking classic morphology, and these have occurred in subcutaneous tissues, mucosal surfaces, or as gastrointes...
متن کاملMalignant paranasal sinus schwannoma.
1 Graduation (Otorhinolaryngologist, Brasília University). 2 Graduation (Otorhinolaryngology Medical Resident, Brasília University). 3 Graduation (Assistant Professor, Department of Otorhinolaryngology and Head and Neck Surgery, Brasília University). 4 PhD in Sciences, ENT Department, University of São Paulo (Adjunct Professor, Department of Otorhinolaryngology and Head and Neck Surgery, Brasíl...
متن کاملBenign epithelioid peripheral nerve sheath tumour resembling schwannoma.
Peripheral nerve sheath tumours (PNST) with epithelial appearing cells compromise a heterogeneous group of neoplasms that are rare and diagnostically challenging. Of these, malignant PNSTs with epithelioid features (epithelioid MPNST) are commonly described in literature. However benign epithelioid PNSTs are rare and till date about 38 cases have been described in the literature. We report a be...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Cancer
سال: 1954
ISSN: 0008-543X,1097-0142
DOI: 10.1002/1097-0142(195407)7:4<725::aid-cncr2820070412>3.0.co;2-5