| Theme | Proceedings of 13th Annual Meeting on Colorectal IIc Lesions | |
|---|---|---|
| Title | Case of 25 mm IIc+IIa type colon cancer | |
| Publish Date | 2004/07 | |
| Author | Norihiro Hamamoto | Second Department of Internal Medicine, Osaka Medical College |
| Author | Ichiro Hirata | Second Department of Internal Medicine, Osaka Medical College |
| Author | Yosuke Abe | Second Department of Internal Medicine, Osaka Medical College |
| Author | Takashi Izumiya | Second Department of Internal Medicine, Osaka Medical College |
| Author | Shingo Yasumoto | Second Department of Internal Medicine, Osaka Medical College |
| Author | Ken-ichi Katsu | Second Department of Internal Medicine, Osaka Medical College |
| [ Summary ] | A fifty nine year old man was hospitalized in our hospital for treatment of a colon tumor. A subtle reddish area was observed in rectosigmoid colon with standard colonoscopy. After dye-spraying, the depressed area was clearly observed in this lesion. Submucosal invasive cancer was suspected because a slight elevation was seen in the depressed area. A magnifying colonoscopy revealed VI type pit patterns in the elevation. EUS showed the tumor echo reached up to the middle of third layer and submucosal massive invasion (sm2) was suspected. A laparoscopic colectomy was performed. Macroscopically, the lesion was 25X12 mm in size and classified as type IIc+IIa. Histological findings showed the tumor was a well differentiated adenocarcinoma with submucosal massive invasion (sm2 900 Micro m). | |