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High-dose chemotherapy in children with metastatic hepatoblastoma
Shin-Ichiro Nishimura1, Takashi Sato, Naoto Fujita
1Department of Pediatrics, School of Medicine, Hiroshima University, Hiroshima, Japan. snishimu@hiroshima-u.ac.jp
Background:
Despite the advent of effective chemotherapy,a poor prognosis has been reported for patients with metastatic hepatoblastoma. To improve this prognosis, we conducted high-dose chemotherapy with autologous bone marrow rescue in patients with metastatic hepatoblastoma.
Methods And Results:
Three patients were treated with high-dose chemotherapy. In patient 1, high-dose chemotherapy was given after the patient's first pulmonary relapse. Additional pulmonary metastases, which developed more than 6 months after high-dose chemotherapy, were treated by multiple thoracotomy without additional chemotherapy. Patient 2 presented additional pulmonary metastases soon after the end of the first thoracotomy and high-dose chemotherapy. Because of a decreased serum alpha-fetoprotein level after re-excision of the pulmonary metastases, a second round of high-dose chemotherapy was performed. In patient 3, multiple pulmonary metasteses responded to preoperative chemotherapy and disappeared according to the chest computed tomography. Intensive treatment with a high-dose chemotherapeutic regimen was performed at the end of postoperative chemotherapy. All three patients are alive and well, more than 6 years after receiving their diagnosis.
Conclusion:
The role of high-dose chemotherapy in treatment of metastatic hepatoblastoma could not be clarified,because of the small number of patients. However, the better outcome of our patients indicates that multimodal therapy, including high-dose chemotherapy, may improve the outcome of the patients with metastatic hepatoblastoma.