Abstract
The clinical features and the treatment of undifferentiated (embryonal) sarcoma of the liver in 8 patients younger than 19 years old were analyzed. AH these cases were registered in the retrospective multicentric study on childhood malignant tumors of the liver, conducted between 1983 and 1985 by the Italian Association of Pediatric Hematology Oncology. The age of the patients ranged from 94 to 190 months (median = 113.5 months); all children were males. An abdominal mass was the common presenting features. Abnormalities in hemogram and common liver tests were rarely reported. Angiography revealed various degrees of vascularization in these tumors. Two patients achieved a surgical complete remission (CR) at diagnosis; one patient achieved surgical CR after primary chemotherapy with vincristine, adriamycin, cyclophosphamide and 5-fluorouracil, which reduced the tumor volume and permitted surgical resection. Two of these patients are still in CR at 14 and 60 months after diagnosis; the third patient died of liver failure without evidence of recurrence 6 months after diagnosis. All of the other patients, who never achieved CR, died of disease. One was lost to follow-up, and one surgical death occurred. Reports of childhood undifferentiated sarcoma are reviewed.
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