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- 저자 : 류수형 ( Yong Moon Woo ) (검색결과 1 건)
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간세포암종으로 오인된 지방성분이 없는 간혈관근지방종 증례 보고
류수형 ( Yong Moon Woo ),우용문 ( Soo Hyung Ryu ),민정화 ( Jeong Wha Min ),김미령 ( Mi Ryeong Kim ),박태영 ( Tae Young Park ),문정섭 ( Jeong Seop Moon ),강윤경 ( Yun Kyung Kang ) 대한소화기학회 2018 대한소화기학회지 Vol.71 No.1
Angiomyolipoma (AML) is a rare benign mesenchymal tumor in the liver, which is composed of blood vessels, smooth muscle, and adipose cells. The proportion of each component varies, making a diagnosis difficult. This paper reports a case of AML in the liver without adipose tissue, mimicking a hepatocellular carcinoma (HCC), which was diagnosed by a surgical tissue biopsy. A 65-year-old woman was admitted for an evaluation of a hepatic mass that had been detected by ultrasonography. The serologic markers of viral hepatitis B and C were negative. The liver function tests and alpha fetoprotein level were within the normal limits. Magnetic resonance imaging revealed a 1.9 cm sized mass in segment 6 of the liver with early arterial enhancement and washout on the delayed phase accompanied by a rim-like enhancement, which is similar to the imaging findings of HCC. A frozen section examination during surgery indicated a hepatocellular neoplasm and suggested the possibility of HCC. On the other hand, the final pathologic diagnosis was epithelioid myoid type of AML with no adipose tissue component. The tumor cells were positive for human melanocyte B-45 and negative for cytokeratin and hepatocyte paraffin 1. This paper reports a very rare case of AML without adipose tissue in the liver mimicking HCC that was diagnosed by a surgical tissue biopsy. (Korean J Gastroenterol 2018;71:49-53)
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