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Primary Epithelioid Angiosarcoma of the Lung Presenting as Pulmonary Hemorrhage

Department of Thoracic Surgery
¹ Department of Pathology
² Department of Pharmacology, Dicle University School of Medicine, Diyarbakir, Turkey

For reprint information contact: Cemal Ozcelik, MD Tel: 90 412 248 8001 Fax: 90 412 248 8520 Email: cozcelik{at}dicle.edu.tr, Department of Thoracic Surgery, Dicle University School of Medicine, Diyarbakir 21280, Turkey.

Pulmonary angiosarcomas are usually secondary tumors, and only a few primary cases have been reported. We report a unique case of epithelioid angiosarcoma presenting as a solitary mass in the right upper lobe with pulmonary hemorrhage. Because of its epithelioid histology, this tumor may resemble a carcinoma or a variety of vascular lesions with epithelioid endothelial cells. Therefore, the diagnosis of epithelioid angiosarcoma should be based on immunohistochemical staining.