A Case of Colon Cancer associated with Crohn's Colitis, Appeared in a Very Short Disease Duration

Yoshiro Araki, Kazuhiko Yoshioka, Shigeyoshi Iwamoto, So Yamaki, Aiko Iwai, Yasushi Nakane, Mitsunobu Matsushita¹⁾, Kazuichi Okazaki¹⁾, Yoshiko Uemura²⁾ and A-Hon Kwon

Department of Surgery, Department of Gastroenterology¹⁾ and Department of Pathology²⁾, Kansai Medical University

A 34-year-old man with anal and cutaneointestinal fistulas since summer 2007 referred in late January 2008 was found in gastrointestinal tract examination to have the strictures of the anal canal and sigmoid and ascending colon (hepatic flexure). Diagnosed with Crohn's disease, he underwent Hartmann's operation involving sigmoid and ascending colon resection, simoid-percutaneous fistulectomy and descending colon colostomy in late February 2008. His postoperative course was uneventful. Postoperative pathological examination showed adenocarcinoma in the resected sigmoid colon and dysplasias in the sigmoid and ascending colon. Given the man's age and rather short symptom duration, he may have had colitis-associated colon cancer possibly due to latent long-term Crohn's disease well before symptom onset.

Key words
Crohn's disease, colon cancer, colitic cancer

Reprint requests
Yoshiro Araki Department of Surgery, Kansai Medical University Takii Hospital
10-15 Fumizono-cho, Moriguchi, 570-8507 JAPAN

Accepted
February 18, 2009

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