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KCI 등재 SCIE SCOPUS
Hepatic perivascular epithelioid cell tumor (PEComa): a case report with a review of literatures
( Hyun-jin Son ) , ( Dong Wook Kang ) , ( Joo Heon Kim ) , ( Hyun Young Han ) , ( Min Koo Lee )
UCI I410-ECN-0102-2018-500-000407347

Hepatic perivascular epithelioid cell tumors (PEComas) are very rare. We report a primary hepatic PEComa with a review of the literature. A 56-year-old women presented with a nodular mass detected during the management of chronic renal failure and chronic hepatitis C. Diagnostic imaging studies suggested a nodular hepatocellular carcinoma in segment 5 of the liver. The patient underwent partial hepatectomy. A brown-colored expansile mass measuring 3.2×3.0 cm was relatively demarcated from the surrounding liver parenchyma. The tumor was mainly composed of epithelioid cells that were arranged in a trabecular growth pattern. Adipose tissue and thick-walled blood vessels were minimally identified. A small amount of extramedullary hematopoiesis was observed in the sinusoidal spaces between tumor cells. Tumor cells were diffusely immunoreactive for human melanoma black 45 (HMB45) and Melan A, focally immunoreactive for smooth muscle actin, but not for hepatocyte specific antigen (HSA). (Clin Mol Hepatol 2017;23:80-86)

INTRODUCTION
CASE REPORT
DISCUSSION
REFERENCES
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