Four cases of the red ring sign.
Chiba
M
M
Iizuka
M
M
Ohtaka
M
M
Kuwabara
T
T
Masamune
O
O
Mukoujima
T
T
Ito
M
M
D000293:Adolescent; D000328:Adult; D000368:Aged; D003093:Colitis, Ulcerative / Q000473:pathology; D003113:Colonoscopy; D003424:Crohn Disease / Q000473:pathology; D005260:Female; D006801:Humans; D007420:Intestine, Large / Q000473:pathology*; D008198:Lymph Nodes / Q000473:pathology; D008297:Male