Superficial-type Small Cell-type Undifferentiated Carcinoma of the Esophagus, Report of a Case Kenji Kobayashi 1 , Taro Aoki 1 , Kiyonori Nishioka 1 1Department of Surgery, Kinki Central Hospital Keyword: 食道表在型小細胞型未分化癌 , 食道内分泌細胞癌 , 食道未分化癌 , 内視鏡的鑑別診断 pp.1067-1072
Published Date 2005/6/25
DOI https://doi.org/10.11477/mf.1403100226
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 An 80-year-old woman presented chest discomfort. Endoscopic examination revealed an elliptical flat-elevated lesion in the middle third of the esophagus. It was 2 cm in its long diameter. Although the boundary of the tumor was clear and the circumference was covered by normal epithelium, the central portion was reddish like a submucosal tumor. The circumference was slightly stained, but the central portion was not stained with iodine stain. Biopsy led to a diagnosis of poorly differentiated squamous carcinoma with small cell-type undifferentiated carcinoma.

 We performed esophagectomy using blunt dissection under fully informed consent.

 Pathologically it was a small cell-type undifferentiated carcinoma pT1b (sm3), ly (+), v (+), pN0, pStageI.

 The patient was improving well after the operation, but 7 months later, a computed tomographic scan of her abdomen revealed multiple liver metastasis. 8 months after the operation, she died of liver failure.

 We reported that the prognosis for surgery of small cell-type undifferentiated carcinoma of the esophagus is poor even in cases of superficial carcinoma.

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