Gastrointestinal Radiology Signs

Gastrointestinal Radiology Signs

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Classic Signs in Gastrointestinal Radiology 1:

Classic Signs in Gastrointestinal Radiology 2:

Classic Signs in Gastrointestinal Radiology 3:

Abdominal cocoon sign – Sclerosing encapsulating peritonitis

Accordion sign – Pseudomembranous colitis

Apple core sign – Colon carcinoma

Arrowhead Sign – Appendicitis

Bird Beak Sign – Achalasia

Bowler Hat sign – Differentiate polyp from diverticula

Caput medusae – Portal Hypertension

Carman Meniscus Sign – Ulcerating Gastric Carcinoma

Carpenter’s Level Sign – colon polyp vs air bubble

Carpet lesion – Colon adenoma

Central dot sign – Caroli disease

Coffee Bean Sign – Sigmoid volvulus

Collar Button sign – Ulcerative colitis

Colon Cutoff Sign – Pancreatitis

Comb Sign – Crohn disease

Corkscrew Sign – Midgut Volvulus

Cupola Sign – Pneumoperitoneum

Dependent Viscera Sign – Diaphragmatic rupture

Diphragmatlc Muscle Slip sign – Pneumoperitoneum

Double Bubble Sign – Duodenal atresia

Double Duct Sign – Pancreas cancer

Duodenal Wind Sock Sign – Intraluminal duodenal diverticulum

Enlargement of the Hilar Periportal Space – Early cirrhotic liver

Fat Halo Sign – Ulcerative colitis

Fat-Ring Sign – Sclerosing Mesenteritis

Focal Hepatic Hot Spot Sign – Superior vena cava obstruction

Gastrointestinal String Sign – Crohn disease

Hampton’s Line – Benign gastric ulcer

Hide-bound Sign – Scleroderma

Hyperattenuating Ring Sign – Primary epiploic appendagitis

Incomplete Border Sign – umbilical lipoma

Lead pipe sign – Chronic Ulcerative Colitis

Ligamentum Teres sign – Free air

Mexican hat sign – Colon polyp

O sign, abnormal phi angle > 58 degree, displacement of the superolateral band margin by more than 2.4 cm from the diaphragm, presence of air fluid level – Gastric Band Slippage

Pseudocalculus Sign – Transient physiologic contractions of the sphincteric segment of the distal common bile duct

Pseudokidney Sign – Intussusception

Pseudo Washout Sign – Hepatic Hemangioma

Right Posterior Hepatic Notch Sign – Cirrhosis

Rigler Sign – Free air

Sandwich Sign – Mesenteric adenopathy 

Sentinel clot sign – Sight of bleeding

Small-Bowel Feces Sign – Small bowel obstruction

Spoke Wheel Sign: Bowel – Small bowel volvulus

Starry Sky Sign – Hepatitis

Stretched bowel sign – Transmesocolic and Transomental internal hernia

String of Pearls Sign – Small bowel obstruction

Target Sign: Bowel Wall – Intersitnal pathologies

Thread and Streak Sign – Hepatocellular carcinoma

Thumbprinting sign – Colitis

WES (Wall Echo Shadow) Sign – Gallstones

Whirl Sign – Small bowel volvulus

Whirlpool Sign – Midgut volvulus

 

 

GI Imaging Signs