A healthy 41-year-old female was referred for the endoscopic management of a large rectal laterally spreading lesion (LSL). On index colonoscopy, performed for the evaluation of rectal bleeding, multiple proximal sessile serrated polyps were identified meeting diagnostic criteria for serrated polyposis syndrome. Family history was notable for a sister with a history of sessile serrated polyps. Using an Olympus 190 series high-definition colonoscope (Olympus, Tokyo, Japan), the lesion was evaluated under white-light (figure 1A), narrow-band imaging (NBI) (figure 1B) and near-focus (figure …

中文翻译：

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不要以封面来判断一本书：除了在光学评估期间

一名健康的 41 岁女性被转诊接受内窥镜治疗大型直肠横向扩散病变 (LSL)。在为评估直肠出血而进行的指数结肠镜检查中，发现多个近端无蒂锯齿状息肉符合锯齿状息肉病综合征的诊断标准。家族史值得注意的是一位有无蒂锯齿状息肉病史的姐妹。使用 Olympus 190 系列高清结肠镜（Olympus，东京，日本），在白光（图 1A）、窄带成像（NBI）（图 1B）和近焦（图 ...