Aaron sign
Aaron sign is referred pain induced by continuous firm pressure over McBurney point, described by Charles D. Aaron in 1913 for chronic appendicitis.
Category Eponymictionary
McBurney incision
McBurney (gridiron) incision for appendicitis. 1894 origins, muscle-splitting technique, historical development, clinical accuracy and disputed priority
Rovsing sign
Rovsing sign: original 1907 technique, Perman's earlier 1904 sign, history, mechanism, diagnostic accuracy and evolution of the appendicitis sign.
Cope’s Sign
Cardio-biliary reflex (“Cope sign”): gallbladder disease causing vagal bradycardia or AV block that mimics cardiac events, often with normal troponin.
Köhler teardrop
Köhler teardrop is the pelvic teardrop seen on AP pelvis radiographs. Definition, anatomy, clinical use, history and eponymythology.
Tuohy Needle
Tuohy needle: directional neuraxial needle enabling continuous spinal and epidural catheter techniques, based on the original Huber-point design.
Lauge-Hansen classification of ankle injury
Lauge-Hansen classification of ankle injuries (1950) - predictable fracture patterns defined by injury mechanism and resultant radiological findings
Huber-point needle
Hypodermic needle (needle which enters the skin) Originally described in 1946 by Ralph Huber. More commonly known as the Tuohy Needle
History of Electroconvulsive Therapy (ECT)
Electroconvulsive therapy (ECT): history, pioneers, modern use, efficacy, and controversy, one of psychiatry’s most enduring treatments.
Stigler’s Law of Eponymy
Stigler’s Law of Eponymy: no discovery is named after its true originator. Explore its history, Merton’s roots, and modern scientific misattribution.
Snellen chart
Snellen chart: history of visual acuity testing from Hooke to ETDRS, with key milestones, optotype design, and contributions from Snellen, Donders, Sloan
Quincke’s Triad
Quincke's Triad describes hemobilia via the triad of GI bleeding, biliary colic, and jaundice; first detailed by Heinrich Quincke in 1871, named retrospectively in 1975
