bowel in a bowel - intususcception
accordion sign - pseudomembranous colitis
napkin ring/apple core - carcinoma colon
hat sign - polyps
whirlpool ign - midgut volvulus
carman meniscus - malignant gastric ulcer
hampton;s line - gastric ulcer
double track sign - pyloric stenosis
lead pipe colon - ulcerative colitis
coobble
stone appearance - croh's
football sign - pneumoperitoneum
triple bubble - jejunal atresia
double bubble - duodenal atresia
cofee bean - volvulus
rat
tail a.k.a
bird beak - 1.achalasia cardia