Medline: 7545228

Journal of Pediatric Surgery 30(6): 845-852, 1995.

Complete resection before development of drug resistance is essential for survival from advanced hepatoblastoma - a report from the German Cooperative Pediatric Liver Tumor study HB-89.

von Schweinitz D, Hecker H, Harms D, et al.


Clinical data and tumor histology of 37 patients with advanced and/or metastatic hepatoblastoma (32 stage III and 5 stage IV) treated according to the protocol of the German Cooperative Pediatric Liver Tumor Study HB-89 from 1988 to 1992 were studied for prognostic factors. Twenty-three patients (73%) were free of tumor 9 months to 5 years (median, 36 months) after treatment, whereas 4 experienced progressive disease, 7 had local relapse, and 3 had recurrent metastases. None of 2 patients with primary lymph node involvement or 5 with primary metastases remained disease-free. Chemotherapy with ifosfamide, cisplatin, and adriamycin was effective in reduction of tumor to resectability in 33 (89%) patients. Drug resistance developed in 6 of 11 patients treated with four or more courses of chemotherapy as could be shown by monitoring of serum-alpha-fetoprotein (AFP) and serial investigations of tumor expansion with sonography and computed tomographic (CT) scan. Only 1 of these patients survived after a liver transplantation. Completeness of tumor resection at second- or third-look laparotomy was significantly related to disease-free survival (P < .0001). Patients with initial serum-AFP values < 100 ng/mL or > 1,000,000 ng/mL had a worse outcome than those with immediate levels (P = .044). The rate of decrease of serum-AFP during chemotherapy was significantly related to prognosis (P = .003). Growth pattern of tumor within the liver (ie, defined nodes versus diffusely disseminated) (P = .011) and vascular tumor invasion (P = .026) were valuable prognostic factors, whereas tumor volume, local infiltration of surrounding tissue, histological subtypes, and epithelial differentiation were not significantly related to the outcome.(ABSTRACT TRUNCATED AT 250 WORDS)

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