[Undifferentiated embryonal sarcoma of the liver. Case report of an adult woman].

Undifferentiated (embryonal) sarcoma of the liver (USL) is a rare hepatic tumor and is generally considered an aggressive neoplasm with unfavorable prognosis. USL has a predilection for children and young adults in the first two decades of life, although a few cases have been reported in adults. The present report describes occurrence of such tumor in a 24-year-old woman who came for treatment in our hospital. She underwent exploratory laparotomy, and tumorectomy was performed. Histological examination resulted in diagnosis of USL. The patient died one month after her operation. Clinical and histopathologic features of this tumor are discussed.