
CT Case 108
A 60 year old male is brought in by ambulance following a head on collision at moderate speed in a car. CT c-spine is performed

A 60 year old male is brought in by ambulance following a head on collision at moderate speed in a car. CT c-spine is performed

A 70 year old woman presents with 12 hours of lower abdominal pain and one episode of haematochaezia at home. CT mesenteric angiogram is performed

William Wayne Babcock Jr (1872-1963), American surgeon linked to spinal anaesthesia, Babcock forceps, vein stripping, cranioplasty and surgical innovation.

Alders sign: a positional tenderness test in pregnancy. Explore its 1951 origins, examination technique, role in appendicitis and limited diagnostic evidence.

John Englebert Dunphy (1908–1981), American surgeon renowned for wound healing research, surgical education and the eponymous Dunphy sign in appendicitis.

Dunphy sign: cough-provoked abdominal pain in appendicitis. Explore the examination technique, diagnostic accuracy, historical origins and disputed eponym.

Nicholas Alders (1904–1995), Austrian-trained obstetrician who fled Nazi Vienna in 1938. Alders sign for abdominal pain in pregnancy (1951)

Charles Heber McBurney (1845 – 1913) was an American surgeon. Most famous for McBurney's point (1889) and McBurney's incision (1894) Medical Eponym.

Aaron sign is referred pain induced by continuous firm pressure over McBurney point, described by Charles D. Aaron in 1913 for chronic appendicitis.

Rovsing sign: original 1907 technique, Perman's earlier 1904 sign, history, mechanism, diagnostic accuracy and evolution of the appendicitis sign.

Walter Arthur Bastedo (1873–1952), American physician, pharmacologist and gastroenterologist who described Bastedo sign for chronic appendicitis.

Charles Dettie Aaron (1866–1951) was an American gastroenterologist, author and educator who described the eponymous Aaron sign for chronic appendicitis.