Fig. 1
From: A case of rectal ulcers during aspirin therapy in acute Kawasaki disease
A, Echocardiography shows no dilatation of left coronary artery (A1) and right coronary artery (A2). B, Colonoscopy results showing multiple superficial active ulcers covered with thick “white moss” in rectum. C, Histologic examination of biopsy shows prominent neutrophilic infiltration within the lamina propria along with hemorrhage and crypt abscess formation (green arrow), indicating focal active colitis (hematoxylin-eosin, magnification × 100)