
Gissane angle
Gissane angle. Measurement on lateral calcaneal radiographs, normal values, clinical use, limitations and historical development.

Gissane angle. Measurement on lateral calcaneal radiographs, normal values, clinical use, limitations and historical development.

Andrén–von Rosen view is an abduction–internal rotation radiograph used in DDH. Review technique, von Rosen line, pitfalls and history.

Von Rosen splint is an aluminium abduction splint for neonatal hip instability. Review history, design, evidence, complications and history.

Iselin disease is traction apophysitis of the fifth metatarsal in adolescents. Review diagnosis, imaging, management, history and eponym origins.

Hans Iselin (1878–1953), Swiss surgeon and pioneer of accident medicine, described Iselin disease, traction apophysitis of the 5th metatarsal

Sharp angle measures acetabular inclination on AP pelvic radiographs. Review the measurement, normal values, history and Ullmann–Sharp attribution.

Morton neuroma is a painful interdigital nerve compression causing forefoot pain. Review diagnosis, management, history, pathology and eponym origins.

Louis Ombrédanne (1871–1956), French paediatric surgeon linked to the Ombrédanne inhaler, hip line, orchidopexy and reconstructive surgery.

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.

Köhler teardrop is the pelvic teardrop seen on AP pelvis radiographs. Definition, anatomy, clinical use, history and eponymythology.

Cardio-biliary reflex (“Cope sign”): gallbladder disease causing vagal bradycardia or AV block that mimics cardiac events, often with normal troponin.