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The Korean Journal of Pathology 1987;21(1): 34-39.
Undifferentiated Sarcoma of the Liver in an Adult: A case report.
Young Chae Chu, Yong Hwa Moon, In Sun Kim
1Department of Pathology, INHA Hospital, Seungnam, Korea.
2Department of General Surgery, INHA Hospital, Seungnam, Korea.
ABSTRACT
Undifferentiated sarcoma of the liver is a highly malignant neoplasm that occurs almost exclusively in children. We present a case of adult undifferentiated sarcoma in a 33-year-old man. The neoplasm was typically hypovascular on hepatic angiography and a globular, cystic and mucoid mass separated from the adjacent liver by a psedocapsule was removed from the left lobe of the liver. Necrosis and hemorrhage were found. Microscopically the neoplasm consisted of myxoid and cellular areas and the basic neoplastic cells were stellate cells showing variable degree of anaplasia and pleomorphism. Eosinophilic globules were PAS-positive and immunohistochemically negative for alpha-fetoprotein. Extramedullary hematopoiesis was present and normal-appearing bile ducts and hepatic cell cords were noted.
Key Words: Undifferentiate sarcoma; Liver