Encyclopedia of imaging and clinical diagnosis.

Structured, referenced entries on 21 conditions, signs and techniques — each linked to real cases you can scroll through.

All systems Chest 8 Cardiac 3 Central nervous system 2 Head & neck 1 Gastrointestinal 5 Hepatobiliary 1 Urogenital 1 Musculoskeletal 2 Vascular 3 Pediatrics 3 Trauma 4

A

Acute appendicitis

Appendicitis

Acute inflammation of the vermiform appendix and the commonest cause of emergency abdominal surgery.

GastrointestinalPediatrics

I

Intussusception

Ileocolic intussusception

Telescoping of one segment of bowel into the next, most often ileocolic in infants, causing obstruction and risk of ischaemia.

PediatricsGastrointestinal

P

Pneumoperitoneum

Free intraperitoneal gas, Free air

Gas within the peritoneal cavity, most often from a perforated hollow viscus, and a surgical emergency unless explained by recent surgery.

Gastrointestinal

S

Sigmoid volvulus

Colonic volvulus, Coffee bean sign

Twisting of a redundant sigmoid colon around its mesentery, causing a closed-loop large bowel obstruction.

Gastrointestinal

Small bowel obstruction

SBO, Mechanical small bowel obstruction

Mechanical blockage of the small intestine, most often from adhesions or hernias, producing dilated fluid-filled loops proximal to a transition point.

Gastrointestinal