脳腫瘍の集計的観察-第1報 : 千葉大脳神経外科教室資料を中心に治療予後の検討について

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  • 脳腫瘍の集計的観察-1-千葉大脳神経外科教室資料を中心に治療予後の検討について
  • ノウ シュヨウ ノ シュウケイテキ カンサツ 1 チバ ダイノウ シンケイ ゲ
  • Stastistical Observations on the Intracranial Tumor, Especially the Incidence and Its Clinical Prognosis after Treatment
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千葉大脳神経外科教室が開設されて以来経験した組織学的に確認された203例の脳腫瘍について集計的観察を行なった。種類別頻度は諸家の報告と大差ないが転移脳腫瘍の頻度がやや高い傾向が認められた。治療予後と諸家の報告と比較検討した。良性腫瘍(pituitary adenoma, meningioma)では諸家の報告と等しく,再発例を除き予後は良い。glioblastoma, medulloblastomaの予後は諸報告に比して極めて悪い。これらは手術法,照射療法の線量や期間について検討しても有意の差は認め得なかった。

Two hundred and three cases with intracranial tumor has been treated and verified histologically at the Department of Neurological Surgery, Chiba University Hospital and its affiliate Hospitals since April 1971. These cases were analysed in view point of the incidence of tumor kind and prognosis after treatment. The following results were obtained : 1) No difference of the incidence among each kind of tumors was found between present series and other representative reports in the would, but we recognized a tendency to increase the number of metastatic tumor when compared with the other reports. 2) The most cases of benign tumors showed excellent prognosis except the cases with recurrence as the others had reported, but the cases of glioblastoma and medulloblastoma were extremely poor. In the latter groups, some factors which will influence on the prognosis such as methods of operation, dosis and duration of radiation were carefully investigated, however, it was unable to find out any significant difference among them. Conclusively, early diagnosis and early treatment seem to be still great priciple especially in those groups of malignant tumors.

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