Radiological findings using signs, symbols, and natural images:

Extradural hematoma is also known as an epidural hematoma— it looks like a lemon on a CT scan without contrast

Subdural hematoma— it looks like a banana on a CT scan without contrast

Interstitial pneumonia— it looks like a honeycomb on a CT scan

Sigmoid volvulus (sometimes is described as an indication of a closed-loop obstruction of the small bowel)— it looks like a coffee bean on an x-ray

Staghorn kidney stone— it looks like a staghorn on an x-ray

Fibromuscular dysplasia (renal artery)— it looks like a string of pearls on an angiography

Diffuse esophageal spasm— it looks like a corkscrew on an x-ray

Intestinal intussusception— it looks like the target sign on an ultrasound

Colorectal carcinoma— it looks like apple core on fluoroscopy

Edwards syndrome— it looks like a strawberry skull on a nuchal translucency scan

Pelvic hematoma— it looks like a pear-shaped bladder on an x-ray

Ectopic pregnancy— it looks like a bagel on transvaginal ultrasound (blob sign, tubal ring sign)

Croup or also called laryngotracheobronchitis— looks like a steeple or bottle on an x-ray (steeple sign or wine bottle sign)

Tetralogy of Fallot— it looks like a boot-shaped heart on an x-ray