| Theme | Development of diagnosis of magnifying endoscopy | |
|---|---|---|
| Title | What has changed about type V pit pattern after Hakone consensus ? -- definition of highly irregular VI pit pattern | |
| Publish Date | 2006/05 | |
| Author | Shin-ei Kudo | Digestive Disease Center, Showa University Northern Yokohama Hospital |
| Author | Keita Sasajima | Digestive Disease Center, Showa University Northern Yokohama Hospital |
| Author | Yasutoshi Kobayashi | Digestive Disease Center, Showa University Northern Yokohama Hospital |
| Author | Ryo Chinzei | Digestive Disease Center, Showa University Northern Yokohama Hospital |
| Author | Toshihisa Hosoya | Digestive Disease Center, Showa University Northern Yokohama Hospital |
| Author | Hiroshi Kashida | Digestive Disease Center, Showa University Northern Yokohama Hospital |
| Author | Shigeharu Hamatani | Department of Pathology, Showa University Northern Yokohama Hospital |
| [ Summary ] | The diagnostic ability of magnifying endoscopy in determining the depth of invasion in 61 lesions of submucosally invasive colorectal cancer is analyzed. All lesion were observed by magnified endoscopic imaging after crystal violet dye staining. Type VN pit patterns were not sufficient to predict submucosal massively invasive cancers. We decided to consider type VI (irregular) pit patterns as highly irregular when the pits are narrow and ragged. When VN pit patterns and highly irregular VI pit patterns were combined, the prediction of submucosal massively cancers became more accurate. The sensitivity and overall accuracy was higher than with VN pit patterns alone. | |