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Correct Handling and Histopathological Diagnosis of Endoscopically Resected Colorectal T1 Cancer: The Basics and Pitfalls of the Pathological Diagnosis of Endoscopically Resected Specimens Takashi Murakami 1 , Takashi Yao 2 1Department of Gastroenterology, Juntendo University School of Medicine, Tokyo 2Department of Human Pathology, Juntendo University Graduate School of Medicine, Tokyo Keyword: 大腸T1癌 , 内視鏡的切除 , 検体の取り扱い , 病理診断 , マッピング pp.1064-1068
Published Date 2021/7/25
DOI https://doi.org/10.11477/mf.1403202507
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 For correct histopathological diagnosis of endoscopically resected specimens, accurate and evaluable histological sections must be prepared. Therefore, proper handling of the resected tissue is necessary. Specimens are handled in the following order:pasting, fixing, photography, cutting, taking a photograph of the split sample, and preparing the sample. A pathological diagnosis(determination of important histological findings)is performed only when the specimens are properly handled. In particular, it is essential to cut the specimen at the deepest invasive area as suggested by the endoscopic image.

 Furthermore, in order to improve the accuracy of the endoscopic diagnosis, re-evaluating the endoscopic findings by comparing the mapping diagram and the endoscopic image after the pathological diagnosis is necessary.


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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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