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|Title:||胚細胞腫瘍の治療成績 ―Dose Intensityと化学療法後の残存腫瘍についての検討―|
|Other Titles:||Results of treatment for germ cell tumor--dose intensity of chemotherapy and residual masses after chemotherapy|
|Authors:||松崎, 純一 |
|Author's alias:||MATSUZAKI, Jun-ichi|
|Keywords:||Germ cell tumor|
Residual masses after chemotherapy
|Abstract:||胚細胞腫瘍の治療成績について検討した.5年生存率は全体で83.6%,セミノーマ,非セミノーマでは92.3,77.2%であった.DI(Dose Intensity)の平均は74.2%で,CR(Complete Response)例及び癌なし生存例で有意に高く,80%以上では全例癌なし生存であった|
We reviewed the treatment results in 44 patients with germ cell tumor and the significance of % dose intensity of Cisplatin and tumor marker half-life of induction chemotherapy and discussed the necessity of surgical resection of the postchemotherapy residual tumor. The 5-year survival rate calculated by the Kaplan-Meier method was 83.6% in total, and 95.2, 75.8 and 47.6% for good, intermediate and poor prognosis, respectively. Of the 29 metastatic cases treated by chemotherapy, 5 (17.2%) achieved complete response (CR) and 15 (51.7%) partial response, and % dose intensity of Cisplatin were 75.4% in total and 86.4 +/- 8.6, 71.6 +/- 11.1, 84.3 +/- 8.3 and 62.2 +/- 11.0% in CR, PR, NC and PD. Dose intensity was correlated with the clinical response and the prognosis. Of the 12 PR cases without teratoma elements, two had salvage surgery, five had additional chemotherapy and five were followed by surveillance. One case followed by surveillance died of the disease, another one with additional chemotherapy was alive with the disease and the others were alive with no evidence of disease. Surgical resection is an effective treatment to remove residual masses, but observation may also be considered in the cases without teratoma elements.
|Appears in Collections:||Vol.46 No.12|
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