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要旨●患者は60歳代(後半),男性.健診のEGDにて食道病変が指摘された.胸部中部食道の半周性,40mm大の食道表在癌で,術前深達度診断はcT1a-MM/T1b-SM1であり,内視鏡的粘膜下層剝離術(ESD)を施行した.ESD後の病理組織学的所見は,squamous cell carcinoma,pT1a-MM,INFb,int,ly0,v0,pHM0,pVM0,Type 0-IIc,45×40mmであり,追加治療せずに経過観察の方針となった.ESD 1年4か月後のCT検査にて,リンパ節転移(No.16)を認め,緩和的化学療法を施行したが,ESD 4年3か月後に永眠された.
A 60s man presented with an esophageal lesion detected through esophagogastroduodenoscopy. The superficial esophageal carcinoma was located at the middle thoracic esophagus with a half of circumference and 40mm in size, and the clinical invasion depth was determined as cT1a-MM/T1b-SM1. ESD(endoscopic submucosal dissection)was performed, and the histopathological findings were squamous cell carcinoma, pT1a-MM, INFb, int, ly0, v0 pHM0, pVM0, Type 0-IIc, and 45×40mm. Follow-up without additional treatment was opted for. A computed tomography scan performed 16 months after the ESD revealed lymph node metastasis(#16), and the patient received palliative chemotherapy. However, he died 51 months after the ESD.
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