GIT signs in Radiology

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Summary:

  1. Thumbprinting sign: Ischemic colitis
  2. Accordion sign: Pseudomembranous colitis
  3. Saw tooth appearance: Colonic diverticulosis
  4. Corkscrew esophagus: Seen in diffuse esophageal spasm (DES)
  5. Rat tail esophagus: Seen in esophageal cancer
  6. Desmoplastic reaction: Seen in Carcinoid tumor
  7. Trifoliate duodenum: Seen in chronic duodenal ulcer
  8. String of pearl appearance on CT: Intestinal obstruction
  9. Midgut volvulus:
    • Corkscrew duodenum (on barium)
    • Whirlpool sign (on CT)
  10. Sigmoid volvulus:
    • Coffee bean/ Omega sign (on X-ray)
    • Bird of prey sign (on barium)
  11. Congenital hypertrophic pyloric stenosis (CHPS):
    • String sign
    • Double track sign
    • Mushroom sign
  12. Abdominal tuberculosis:
    • String sign
    • Inverted umbrella sign/ Fleischner sign
    • Conical & pulled up cecum
    • Goose neck deformity
  13. Ulcerative colitis:
    • Lead pipe colon
    • Pipe stem colon
  14. Crohn’s disease:
    • String sign
    • Raspberry thorn ulcer/ Linear ulceration
    • Comb sign
    • Antimesenteric pseudosacculation
  15. Intussusception:
    • Target sign/ Doughnut sign/ Bull’s eye sign on USG
    • Pseudokidney sign
    • Claw sign on Barium enema
    • Coiled spring sign on Barium enema.

 

Thumbprinting sign: Ischemic colitis

Accordion sign: Pseudomembranous colitis

Saw tooth appearance: Colonic diverticulosis

Corkscrew esophagus: Seen in diffuse esophageal spasm (DES)

Rat tail esophagus: Seen in esophageal cancer

Desmoplastic reaction: Seen in Carcinoid tumor

Trifoliate duodenum: Seen in chronic duodenal ulcer

String of pearl appearance on CT: Intestinal obstruction

Midgut volvulus: Corkscrew duodenum (on barium)

Midgut volvulus: Whirlpool sign (on CT)

Sigmoid volvulus: Coffee bean/ Omega sign (on X-ray)

Sigmoid volvulus: Bird of prey sign (on barium)

Congenital hypertrophic pyloric stenosis (CHPS):

  • String sign
  • Double track sign
  • Mushroom sign

Abdominal TB: String sign

Abdominal TB: Inverted umbrella sign/ Fleischner sign

Abdominal TB: Conical & pulled up cecum

Abdominal TB: Goose neck deformity

Ulcerative colitis: Lead pipe colon

Ulcerative colitis: Pipe stem colon

Crohn’s disease: String sign

Crohn’s disease: Raspberry thorn ulcer

Crohn’s disease: Comb sign

Crohn’s disease: Antimesenteric pseudosacculation

Intussusception: Target sign/ Doughnut sign/ Bull’s eye sign on USG

Intussusception: Pseudokidney sign on USG

Intussusception: Claw sign on Barium enema

Intussusception: Coiled spring appearance on Barium enema

Special note: 

String sign is seen in:

  1. Abdominal TB
  2. CHPS
  3. Crohn’s disease.

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5 thoughts on “GIT signs in Radiology”

  1. so much helpful, thanks a lot,
    i wanted to give 5 ? rating but
    unfortunately i pressed the first ?, sorry for that

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