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Fig. 2 | BMC Gastroenterology

Fig. 2

From: Clinicopathologic and endoscopic features of early-stage colorectal serrated adenocarcinoma

Fig. 2

A case of T1 serrated adenocarcinoma without a serrated adenoma. a Colonoscopic view of serrated adenocarcinoma in the cecum. b Endoscopic view after indigo carmine dye spraying. A 0-Is lesion is clearly delineated. c Magnifying narrow-band imaging (NBI) observation; a Japan NBI Expert Team classification type 2B lesion can be observed. d Magnifying view of a crystal violet-stained section. e Hematoxylin and eosin (HE) staining of the whole specimen. f Immunostaining of the specimen with anti-desmin antibody; the muscle fibers are no longer visible. g High-power view of HE-stained specimen; epithelial serration is visible, and adenocarcinoma can be observed invading the submucosa

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