| 特集名 | 拡大内視鏡の最前線 | |
|---|---|---|
| 題名 | 拡大内視鏡による癌の深達度診断 (1) VI型pit pattern細分類の有用性 | |
| 発刊年月 | 2005年 03月 | |
| 著者 | 唐原 健 | 久留米大学医学部第二内科 |
| 著者 | 鶴田 修 | 久留米大学医学部第二内科 |
| 著者 | 河野 弘志 | 久留米大学医学部第二内科 |
| 著者 | 吉森 建一 | 久留米大学医学部第二内科 |
| 著者 | 豊永 純 | 久留米大学医学部消化器病センター |
| 【 要旨 】 | 要旨はありません。 | |
| Theme | The front line of magnifying endoscopy and pit pattern diagnosis -- Now and future | |
|---|---|---|
| Title | Efficacy of subclassified type VI pit pattern using magnifying endoscopy in diagnosis of invasion depth of early colorectal cancer | |
| Author | Takeshi Toubaru | Department of Internal Medicine II, Kurume University School of Medicine |
| Author | Osamu Tsuruta | Department of Internal Medicine II, Kurume University School of Medicine |
| Author | Hiroshi Kawano | Department of Internal Medicine II, Kurume University School of Medicine |
| Author | Kenichi Yoshimori | Department of Internal Medicine II, Kurume University School of Medicine |
| Author | Atsushi Toyonaga | Division of Gastroenterology and Endoscopy, Kurume University School of Medicine |
| [ Summary ] | Type V pit pattern, using magnifying endoscopy, is divided into the categories of VI (irregular) and VN (non-structure). The former represents intramucosal cancer, which are slightly and deeply invasive cancers into the submucosa, whereas the latter represents deeply invasive cancers into the submucosa. We classfied VI into two groups, studied the diagnostic ability of invasion depth for early colorectal cancers and the relationship between the subclassification of VI and histological findings. The following results were obtained : (1) There was a high level of diagnostic ability and accuracy, sensitivity, specificity as well as positive predictive value in cases where the carcinoma had invaded the submucosal layer by more than sm2 or 1,000 μm. (2) The subclassiflcation of type VI pit had a high correlation with the degeneration and disappearance of crypts, the state of muscularis mucosae and desmoplastic reaction. On the basis of our results (1) and (2), the subclasssification of type VI pit was established as an effective method to achieve higher diagnostic accuracy. |
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