An Early Gastric Mutinous Adenocarcinoma Exhibiting Features of a Submucosal Tumor, Report of a Case Hiroshi Yabusaki 1 , Katsuyoshi Hatakeyama 1 , Tsutomu Suzuki 1 , Kikuo Aizawa 1 , Tadashi Nishimaki 1 1The First Department of Surgery, Niigata University School of Medicine Keyword: 膠様腺癌 , 粘膜下腫瘍 , 早期胃癌 pp.814-818
Published Date 1995/5/25
DOI https://doi.org/10.11477/mf.1403105434
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 A 79-year-old man was admitted to our hospital with bloody stool as his complaint. X-ray and endoscopic examinations of the stomach revealed on the antrum a typical submucosal tumor with a minute depression and an irregular margin. The biopsy specimens from the lesion showed no malignancy. The patient also had a sigmoid colon cancer, both sigmoidectomy and gastric tumor resection was carried out. Frozen section showed mutinous adenocarcinoma of the stomach, so subtotal gastrectomy with lymphatic dissection was carried out. Histopathologically, the gastric tumor was limited with in the submucosal layer and had thrust up the normal mucosa from underneath. Early gastric mutinous adenocarcinoma exhibiting features of a submucosal tumor is quite rare and only eight cases of it have been reported in Japan. Its characteristic growth pattern reflected in its histological features, clinical diagnosis and treatment are discussed in this report.

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