A Case in Which Preoperative Chemotherapy Had a Significant Effect on Stage 4 Small Cell Gastric Carcinoma
نویسندگان
چکیده
胃小細胞型神経内分泌癌は極めてまれであるが悪性度が高い.Stage IV症例に化学療法後手術を行い,良好な治療効果を得た症例を経験した.症例は74歳の男性で,胃内視鏡検査で胃体中部から前庭部の小彎後壁にType 2腫瘍があり病理組織学的免疫染色検査ではLCA(–),synaptophysin(+),CD56(+),chromogranin A(–)であり,増殖動態評価(Ki-67指数/核分裂指数MIB-1にて評価)は84.6%と高値であり小細胞型神経内分泌癌と診断した.CTでは傍大動脈リンパ節転移が見られ胃癌取扱い規約第15版による分類でT3,N1,M1,Stage IVであった.化学療法はirinotecan(CPT-11)+carboplatin(CBDCA)を1コース,etoposide(VP 16)+CBDCAを5コース施行したところ画像上著明な縮小効果がみられたため胃全摘術を施行した.術後の病理組織学的検索では切除標本に癌病変を認めずCRであった.
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ژورنال
عنوان ژورنال: The Japanese Journal of Gastroenterological Surgery
سال: 2022
ISSN: ['1348-9372', '0386-9768']
DOI: https://doi.org/10.5833/jjgs.2021.0003