| Theme | New Development of Laterally Spreading Tumor | |
|---|---|---|
| Title | Endoscopic Diagnosis of Laterally Spreading Tumors | |
| Publish Date | 2015/08 | |
| Author | Yasuhiko Maeyama | Division of Gastroenterology, Department of Medicine / Department of Endoscopy, Center for Gastroenterology, Kurume University School of Medicine |
| Author | Osamu Tsuruta | Division of Gastroenterology, Department of Medicine / Department of Endoscopy, Center for Gastroenterology, Kurume University School of Medicine |
| Author | Tetsuhiro Noda | Division of Gastroenterology, Department of Medicine / Department of Endoscopy, Center for Gastroenterology, Kurume University School of Medicine |
| Author | Shuichiro Nagata | Division of Gastroenterology, Department of Medicine / Department of Endoscopy, Center for Gastroenterology, Kurume University School of Medicine |
| Author | Hiroshi Kawano | Department of Gastroenterology, St. Mary's Hospital |
| [ Summary ] | For the differential diagnosis of adenoma or carcinoma with laterally spreading tumor (LST), observation of the presence of depressions, nodule on nodule, and heterogeneity of color is useful. We previously reported that the larger lesions are associated with early cancer and are more common in patients with granular type (LST‒G). On the other hand, non‒granular type (LST‒NG) are associated with smaller lesions than LST‒G, yet the rates of invasive cancer were higher than those observed with LST‒G. Investigation of macroscopic findings of invasive cancer revealed lesions exhibiting elevation with swelling. This is a very important sign for diagnosis of invasive cancer. |
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