2度の自家末梢血幹細胞移植併用超大量化学療法後寛解を維持している精巣腫瘍の1例 - 化学療法剤増量の効果 -

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A 35-year-old male had advanced nonseminomatous germ cell tumor (stage IIIC, embryonal cell carcinoma) which proved refractory to conventional PVB combined chemotherapy. He was then treated with an ultra high-dose chemotherapy consisting of carboplatin (1.5 g/m2) and etoposide (1.3 g/m2), followed by the transplantation of peripheral blood stem cells (PBSCT) with a total of 1.9 x 10(5)/kg granulocyte colony-forming cells (CFU-GM). Because he developed lung metastasis, escalated doses of carboplatin (2.0 g/m2), and etoposide (1.8 g/m2) combined with cyclophosphamide (7.0 g/m2) were given with peripheral blood stem cell transplant of 3.2 x 10(5)/kg CFU-GM. He has remained free of any recurrence without maintenance therapy.