Early stage clear cell adenocarcinoma of the colon examined in detail with image-enhanced endoscopy: a case report
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Primary clear cell adenocarcinoma (CCA) of the colorectum is a rare tumor. We report on a 48-year-old man with early stage CCA in the descending colon who underwent detailed examination with image-enhanced endoscopy, such as magnifying endoscopy with narrow-band imaging and crystal violet staining. The tumor was treated successfully with endoscopic mucosal resection at our hospital.
KeywordsClear cell adenocarcinoma Early colon cancer Image-enhanced endoscopy Magnifying endoscopy Endoscopic mucosal resection
Compliance with ethical standards
Conflict of interest
Tomomasa Tochio, Katsumi Mukai, Youichirou Baba, Hiroki Asakawa, Kenji Nose, Satomi Tsuruga, Hiroaki Kumazawa, Yoshiaki Isono, Hiroki Tanaka, Shimpei Matsusaki, Tomohiro Sase, Tomonori Saito, Hiroshi Okano, Miki Usui and Gen Watanabe declare that they have no conflict of interest.
All procedures followed have been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
Informed consent was obtained from all patients for being included in the study.