Endoscopic Findings of the Anorectal Area Takashi Hisabe 1 , Takahiro Beppu 1 , Kazeo Ninomiya 1 , Shinichiro Maki 1 , Takashi Nagahama 1 , Yasuhiro Takaki 1 , Fumihito Hirai 1 , Kenshi Yao 1 , Toshiyuki Matsui 1 , Kitaro Futami 2 , Akinori Iwashita 3 , Yuki Koga 4 1Department of Gastroenterology, Fukuoka University Chikushi Hospital, Chikushino, Japan 2Department of Surgery, Fukuoka University Chikushi Hospital, Chikushino, Japan 3Department of Pathology, Fukuoka University Chikushi Hospital, Chikushino, Japan 4Shin-kokura Hospital, Kitakyushu, Japan Keyword: 内視鏡診断 , 直腸肛門部 pp.1291-1305
Published Date 2010/7/25
DOI https://doi.org/10.11477/mf.1403101984
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 Even though the anorectal area is very small, because of its anatomical specificity, such as its defecatory function, and containing a variety of histological structures, including stratified squamous epithelium and columnar epithelium, it is the site of origin of various diseases. Understanding these characteristics, we perform tests during endoscopic examinations so as not to overlook them. Moreover, diagnosis of the inflammatory diseases and neoplastic diseases that are seen in the anorectal area requires that the diseases specifically seen in this region also be kept in mind. In addition, we identify the morphology of the lesions and properties of both the local and intervening normal mucosa by ordinary endoscopic examinations, and then make the diagnosis by considering the magnifying endoscopy findings or ultrasound endoscopy findings together with them.

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