Radiographic Appearances

Crohn's Disease

String sign
Cobblestone
Skip areas

Cystic Fibrosis/Emphysema

Barrel Chest

Hyaline Membrane Disease

Ground glass

Thymus/ Lower lung collapse

Sail sign

Pleural Effusion

costophrenic angle blunting

coarctation of the aorta

rib notching

pyloric stenosis

olive sign

Volvulus

Beak Sign
Whirl Sign

Esophageal varices

Worm-like

Pneumoperitoneum

football sign

intussusception

coiled spring sign

Achalasia

Rat-tail sign
Beak Sign

Colorectal cancer/Adenocarcinoma

apple core sign

Ureterocele

Cobra head sign

Breast Carcinoma

orange peel sign

Ulcerative colitis

lead pipe

Cushing's syndrome

Moon face
Buffalo hump

Multiple Myeloma

punched out appearance

Ewing's sarcoma

Onion skin
Laminated

Osteoclastoma "Giant Cell Tumor"

Soap bubble

Acromegaly

enlarged sella turcica

Osteoporosis

loss of trabecular pattern

Olgiodendroglioma

punctuate/stippled

Paget's disease

cotton wool

TB (Pott's disease)

worm-eaten

Bronchogenic carcinoma

coin lesion appearance

Bronchiestctasis

Honeycombing effect
Tram Lines

hydronephrosis

dilated renal pelvis/ calyces

Endochondroma

bubbly

Aspergillosis

Halo sign

COVID-19

crazy paving

Duodenal atresia

double bubble

Aneurysm

Ballooning

Tetralogy of Fallot

boot shaped

osteosarcoma

sunray or sunburst appearance

Duodenal perforation

intraperitoneal air

Gallbladder carcinoma

porcelain gallbladder

ascities

ground glass appearance

Schatzki ring

sliding hiatal hernia