Category Gastroenterology
Thomas Kennedy Dalziel (1861–1924) 680

T. Kennedy Dalziel

Scottish surgeon T.K. Dalziel (1861–1924) early description of Crohn’s disease, led children’s surgery in Glasgow, and was knighted for WWI medical service.

Thomas sign AM Thomas Ogilvie 1955

Thomas sign

Thomas's sign: Silver, aluminium or metallic coloured stools. Caused by the combination of cholestatic (acholic) pale stools secondary to CBD obstruction and the black-tar colour malaena.

Ivor Lewis (1895–1982)

Ivor Lewis

Ivor Lewis (1895–1982) was a Welsh surgeon. Eponymously remembered for 1946 description of Ivor Lewis Oesophagectomy