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Collected by Dr. Dalia El SaidAin Shams university
GIT SIGNS
Intraluminal duodenal diverticulum
Windstock sign
Ram’s horn sign
Conical narrowing of antrum = Crohns
Thumb printing sign
- Pseudo-membranous colitis
- Ischemic colitis- IBD
Embryo sign
Caecal volvulus
Carmen meniscus sign
Malignant ulcer
Hampton’s line
Benign gastric ulcer
Reversed jeujuno-ileal fold pattern
Celiac disease/sprue
Cobble stone sign
Crohns disease
Granular mucosa
Ulcerative colitis
Pneumatosis cystoides intestinalis
Bowler hat sign
Sessile colonic polyp
Mexican hat sign
Pedunculated polyp
Bull’s eye lesions
o Metastases from melanoma or lymphoma
o Kaposi sarcoma
String sign
Crohns disease
Pearl necklace sign
Adenomyomatosis of GB (arrows)
Conical caecum
T.B
Picket fence pattern
Acute small bowelIschemia (submucosal hemorrhage…narrowed loops)
Stack of coins sign
Scleroderma – sprue
(Dilated loops)
Fold thickening
Submucosal edema/ hge
….e.g Ischemia
& Radiation.
Smooth
Mucosal infiltration
Whipple /diffuse
Nodular
Mushroom sign
CHPS
Familial adenomatous polyposis
Gardner syndrome
Turcot syndrome
Flip-flop appearance
Budd Chiari
Delayed enhancement of the peripheral liver
Arterial phase -- peripheral hypodensity and central enhancement.
Delayed phase-- reversal of enhancement pattern.
Capsular retraction sign
(without mass)
Confluent hepatic fibrosis
Abnormal delayed enhancement at the medial segment of the left hepatic lobe.
Pancreatic lipomatosis
Cystic fibrosisD.MSteroids
Cushing $Shwachman diamond $
Capsular retraction sign
with dilated biliary radicles =
Cholangiocarcinoma
Hot spot sign
SVC obstruction
Fat ring sign
Mesenteric panniculitis
Cocoon sign
Sclerosing encapsulating peritonitis (SEP)
Punch of grape sign
IPMN
Hourglass or collar sign Diaphragmatic hernia
Epiploic appendagitis
Hyper attenuating ring sign
Misty mesentery sign
Mesenteric panniculitis
Spider web sign
Budd Chiari syndrome
Left Paraduodenal hernia (gathered loops in mass
like fashion).
Small bowel faeces sign.
Open loop obstruction
Hamburger sign
NHL (Lymph nodes encase mesenteric vessels)
Target sign
Liver metastases. Inflammatory lesions of bowel
WES sign / Wall echo shadow sign
Gallstones within a contracted gallbladder.
Honeycomb sign
Hepatic melioidosis abscess
Foramen of Winslow hernia
Anterior to IVC and posterior to the
hepatoduodenal ligament (including
PV, CBD & HA)
Right Paraduodenal hernia
Through fossa of Waldeyer
(located behind SMA (arrowhead)
Left Paraduodenal hernia
Through Fossa of Landzert.
Inferior mesenteric vein (arrow head)
lies in its anterior wall.
Accordion sign
Pseudomembranous colitis
Arrowhead sign
Acute appendicitis
Comb sign
Crohns disease
Sclerosing mesenteritis
Mesenteric carcinoid
#DD
Doughnut sign
Intussusception
Champagne glass sign
Emphysematous cholecystitis
Target fat sign
Chronic Crohn’s.
Chronic UC.
Chemotherapy.
Paediatircs
Saw tooth appearance (of the denervated segment)
Hirschsprung disease
Rigler / bas-relief sign
Pneumoperitoneum
Air on both sides of bowel wall
Cork Screw appearance
Midgut volvulus
Tram track appearance ( due to Pneumatosis intestinalis)
Necrotizing enterocolitis
Foot ball sign
Pneumoperitoneum.
Telltale sign /Triangle sign
Pneumoperitoneum
Falciform ligament sign
Pneumoperitoneum
Infant with failure to pass meconium
Thank you
