Fig. 1From: A novel splice site mutation in WAS gene in patient with Wiskott-Aldrich syndrome and chronic colitis: a case reportSigmoidoscopy study in the proband. a. It is shown severe and diffused ulcer, polypoid lesion and decreased vascularity in rectum. b. Colon and rectum biopsy revealed chronic colitis. c. The histological section from colon and rectum showed cryptitis and crypt abscesses (Arrow)Back to article page