[Malignant germ cell tumours. Multicenter prospective trial in Polish Pediatric Group for Solid Tumours (years 1998-2000)].

Unlabelled: Germ cell tumors constitute about 3% of all pediatric malignancies. Since 1998 the multicenter trial was initiated in Poland.

Material And Methods: 95 children (aged from 1 month to 17 years--mean 9.

Multicenter retrospective analysis of various primary pediatric malignant hepatic tumors--management in a series of 47 Polish patients (1985-1995).

Forty-seven children treated in various Polish centers between 1985 and 1995 for primary malignant liver tumors were retrospectively analyzed. Hepatoblastoma (HB) prevailed--it was found in 39 cases. There were 6 hepatocarcinoma (HCC) cases and 2 cases of undifferentiated sarcoma (UDS).

Venoocclusive liver disease (VOD) as a complication of Wilms' tumour management in the series of consecutive 206 patients.

Unlabelled: In 4 years (1993-1996) 206 pts. with nephroblastoma were treated. All children were treated according to SIOP 93-01 protocol.