점막하 종양형태의 위전이를 동반한 원발성 식도 소세포암 1예
A Case of Primary Esophageal Small Cell Carcinoma with Gastric Metastasis
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초록
악성 종양의 위전이는 매우 드물고 지금까지 흑색종, 폐암, 유방암 그리고 식도 편평세포암등에 의한 전이가 보고되어 왔다. 원발성 식도 소세포암은 전체 식도 종양의 2%로 매우 드문 질환으로서 타 장기로의 전이나 주위조직으로의 파급이 빨라 예후가 매우 나쁜 예후를 보이는 악성종양으로서 간, 골, 피부, 폐, 골수, 뇌로의 타 장기로의 전이가 보고되었지만, 위로의 전이는 보고된 예가 없다. 저자들은 연하곤란을 주소로 내원한 72세 남자의 상부위장관 내시경 검사에서 점막하 종양형태의 위전이를 동반한 원발성 식도 소세포암 1예를 경험하였기에 보고하는 바이다.
Abstract
Gastric metastasis of malignant tumors is relatively rare but has been reported in cases of malignant melanoma, lung cancer, breast cancer and squamous cell carcinoma of the esophagus. Primary small cell carcinoma of the esophagus is very rare and is an extremely aggressive tumor. Regional lymph node involvement, and distant metastasis to other organs including liver, bone, skin, lung, bone marrow, and brain are common at the time of initial diagnosis. To date, there has been no case reported of gastric metastasis from primary esophageal small cell carcinoma. A 72-year-old man presented with dysphagia for 2 months. An esophagogastroduodenoscopy revealed esophageal carcinoma with a submucosal tumor in the upper body of the stomach. Pathologic examination revealed an esophageal small cell carcinoma, and gastric submucosal infiltration of the small cell carcinoma was noted. We report a case of primary esophageal small cell carcinoma with submucosal tumor like gastric metastasis.
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