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. Histolo...

Abstract Background Schwannomas of the nose and paranasal are extremely rare. Few schwannomas arising from within lateral wall have been reported to date. Case presentation A 32-year-old male presented us with complaints left-sided nasal obstruction a mass in his cavity. The evaluation revealed benign spindle cell lesion which was excised. final histopathology report schwannoma. Discussion tumo...

Phyllodes tumors are rare fibroepithelial neoplasms of the breast, classified as benign, borderline, or malignant based on histological features. Osseous metaplasia, characterized by presence bone formation within tumor, is an uncommon finding. This case report highlights rarity osseous metaplasia in a benign phyllodes tumor. A 23-year-old female presented with gradually enlarging lump left bre...

a 33-year-old female presented with intermittent abdominal pain and severe attacks of lower gastrointestinal (gi) bleeding since 2 weeks. she has had history of irregular menses in last 3 months. in the labeled rbc-scan study, the bleeding site was detected in left upper quadrant (luq). in surgery, a tumor with the diameter of 2ã—1cm in a 65 cm distance of ligament of trietz was detected. in pa...

Pleomorphic xanthoastrocytomas (PXAs) are rare neoplasms comprising less than 1% of all astrocytic tumors, World Health Organization (WHO) grade II glial tumour.

the majority of osseous tumors of the hand are benign. the surgeon who evaluates and treats osseous tumors of the hand has to be familiar with limb anatomy, tumor biology, various presentations of the tumors and the range of treatment possibilities and their limitations. lesions in the hand more often present earlier in their course than those at other sites, just because they are more likely t...