Pituitary Lesion of Unknown Origin: Think Epithelioid Angiosarcoma

Aggressive clinical course of epithelioid angiosarcoma in the femur: a case report

BACKGROUND Epithelioid angiosarcoma is a rare variant of angiosarcoma, and is characterized by an epithelioid morphologic appearance that mimics carcinoma. These tumors usually arise in extraskeletal sites; origination in bone is rare. CASE PRESENTATION A 69-year-old woman presented with right knee pain. Plain radiographs and magnetic resonance imaging showed an osteolytic lesion with a large...

Duodenal epithelioid angiosarcoma: immunohistochemical and clinical findings. A case report.

Angiosarcomas are uncommon malignant tumors of vascular endothelium that represent less than 1% of all sarcomas. The epithelioid variant of angiosarcomas is exceptionally rare, and the gastrointestinal tract is rarely involved. Angiosarcomas mainly involve skin and soft tissue and rarely occur in breast, liver, bone, and spleen. We present the case of a 30-year-old man who underwent an upper ga...

Epithelioid angiosarcoma of the bone with eosinophilia: report of a case and review of literatures

We presented a case of 46-year-old man who developed right foot pain and activity limitation 7 months prior to initial evaluation at our hospital. Radiographic evaluation demonstrated osteolytic lesion in the bones of toes and biopsy revealed the diagnosis of angiolymphoid hyperplasia with eosinophilia. Surprisingly, malignant angiosarcoma was diagnosed in resected specimen. Histologically, the...

Non-Alpine Epithelioid Angiosarcoma of Thyroid Gland: A Rare Clinical Scenario

Epithelioid hemangioendothelioma presenting as fever of unknown origin

Epithelioid hemangioendothelioma (EHE) was first described by Weiss and Enzinger in 1982 and has been suggested to be a malignant vascular neoplasm with indolent behavior [1]. A 65-year-old female patient presented to our hospital with fever, back pain and pain in her buttocks. On examination, the only pathological sign were cutaneous nodules appearing in her right thigh (Figure 1 A). The histo...