| 特集名 | 大腸IIc -- 未来に向けて | |
|---|---|---|
| 題名 | 大腸IIcの特徴 (1) 内視鏡的特徴 c. IIcの実態 | |
| 発刊年月 | 2008年 11月 | |
| 著者 | 斎藤 豊 | 国立がんセンター中央病院内視鏡部 |
| 著者 | 松田 尚久 | 国立がんセンター中央病院内視鏡部 |
| 著者 | 中島 健 | 国立がんセンター中央病院内視鏡部 |
| 著者 | 坂本 琢 | 国立がんセンター中央病院内視鏡部 |
| 著者 | 福永 周正 | 国立がんセンター中央病院内視鏡部 |
| 著者 | 桐山 真典 | 国立がんセンター中央病院内視鏡部 |
| 著者 | 藤井 隆広 | 藤井隆広クリニック |
| 【 要旨 】 | 要旨はありません。 | |
| Theme | Aiming at the future of depressed type of lesion in early colorectal cancer | |
|---|---|---|
| Title | Endoscopic features of 0-IIc cancers -- Clinicopathological importance and malignant potential | |
| Author | Yutaka Saito | Division of Endoscopy, National Cancer Center Hospital |
| Author | Takahisa Matsuda | Division of Endoscopy, National Cancer Center Hospital |
| Author | Takeshi Nakajima | Division of Endoscopy, National Cancer Center Hospital |
| Author | Taku Sakamoto | Division of Endoscopy, National Cancer Center Hospital |
| Author | Shusei Fukunaga | Division of Endoscopy, National Cancer Center Hospital |
| Author | Shinsuke Kiriyama | Division of Endoscopy, National Cancer Center Hospital |
| Author | Takahiro Fujii | Takahiro Fujii Clinic |
| [ Summary ] | Depressed type cancers (O-IIc) were considered to be phantom carcinomas or local diseases by western endoscopists. However, this type of cancer has recently been proven to exist due to the efforts of Kudo and Fujii et al. This report is concerned with typical 0-IIc cancers and discusses their endoscopic and clinicopathological features. The incidence, location, the rates of cancer, and SM invasion rate of depressed cancers in relation to tumor size were examined. The incidence of depressed lesions was considered to be low in the early stages but increased according to level of tumor invasion. Furthermore, IIc lesions have higher rates of cancer and SM invasion even when they are of smaller size compared to protruded type lesions. IIc lesions are, therefore, clinically very important and should be payed special attention, in order to detect depressed type lesions. In order to improve detection rates for depressed cancer, new modalities, such as Narrow Band Imaging and Autofluorescence Imaging are required. |
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