peripheral neuroepithelioma: a study of eight cases

نویسندگان

guity iravanloo from the department of pathology. tile cancer institute, tehran university of medical sciences, tehran, islamic republic of iran.

ali zare mehriardi

چکیده

peripheral neuroepitbelioma (pn) is a rare highly malignant tumor, classified in the group of small round cell tumors. we report eight cases of pn, based on histologic appearance and immunohistochemical staining for neuron-specific enolase (nse). electron microscopy was also performed in three cases. the tumors exhibited rapid local growth, leading to limb amputation in five cases. histologically the presence of homer-wright rosettes is a characteristic of this neoplasm. tumoral cells are generally positive for nse. the relationship ofpn with ewing's sarcoma is discussed.

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عنوان ژورنال:
medical journal of islamic republic of iran

جلد ۸، شماره ۱، صفحات ۵-۸

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