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肝類上皮血管內皮瘤:一病例報告

Epithelioid Hemangioendothelioma of the Liver: Report of a Case

摘要


一位68歲的男性患者,因為右上腹部疼痛而來本院求診,實驗室檢查發現肝功能異常,腹部超音波掃描看見肝左右葉均有不規則回音,腹部電腦斷層掃描發現肝兩葉外緣有不規則低密度區域,肝動脈攝影發現肝臟有低血流灌注腫瘤;在超音波指引下作肝針刺切片,病理證實為一罕見之肝類上皮血管內皮瘤。之後病人接受經導管動脈栓塞術(TAE)治療,術後三個月死於肝衰竭。

並列摘要


Epithelioid hemangioendothelioma of the liver is an extremely rare vascular tumor. It usually slowly evolves, affecting young adults without cirrhosis, and is characterized by multiple involvement of the liver, which contraindicates partial hepatectomy. This unusual tumor is often difficult to diagnose and differentiate from other lesions; its angiogenic nature can not be confirmed by radiography and conventional histologic examination. Its endothelial nature is based on ultrastructural studies and the demonstration of factor VⅢ-related antigen in tumor cells. We report one case of primary epithelioid hemangioendothelioma of the liver in order to describe its clinical, radiological and histological findings.

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