Small Cell Carcinoma of the Remnant Stomach after Gastrectomy for Early Gastric Cancer

Tomotaro Shinoda¹⁾³⁾, Nobuo Omura¹⁾, Atsushi Watanabe¹⁾, Hideharu Yasue¹⁾, Takayuki Dotai¹⁾, Tomoyuki Tanaka¹⁾, Takenori Hada³⁾, Masataka Masubuchi³⁾, Masahiro Ikegami²⁾ and Katsuhiko Yanaga¹⁾

Department of Surgery¹⁾ and Department of Pathology²⁾, Jikei University School of Medicine
Department of Surgery, Atsugi City Hospital³⁾

In October 2001, a 60-year-old man underwent distal partial gastrectomy for gastric cancer, diagnosed pathological by as moderately differentiated adenocarcinoma, depth sm, no, stage Ia. In September 2004, endscopy showed a type 2 tumor on the posterior wall of the remnant stomach, diagnosed pathological by as poorly differentiated adenocarcinoma. He was readmitted for resection of the remnant stomach and spleen and partial left adrenalectomy in September 2004. NSE and synaptophisin were slightly positive in immunohistological examination, but CAM5.2 and CEA were negative, which is compatible with small-cell carcinoma of the remnant stomach. He underwent postoperative oral chemotherapy using TS-1 after being discharged and remains free of recurrence. To our knowledge, only five case of small-cell carcinoma of the remnant stomach have been reported in the Japanese literature.

Key words
small-cell carcinoma, remnant stomach, early gastric cancer operation

Reprint requests
Tomotaro Shinoda Department of Surgery, Kashiwa Hospital, Jikei University School of Medicine
163-1 Kashiwashita, Kashiwa, 277-8567 JAPAN

Accepted
June 27, 2007

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