Dietrich Tönnis
Dietrich Tönnis (1927-2010), German paediatric orthopaedic surgeon known for the Tönnis angle, Tönnis classification, triple pelvic osteotomy and work on hip dysplasia.
Category Orthopaedics
Perkins line
Perkins line is the vertical pelvic reference used with Hilgenreiner line in DDH assessment. Review its definition, 1928 origin, history and eponymythology
George Perkins
George Perkins (1892-1979) was an English orthopaedic surgeon known for Perkins line, Perkins traction, functional fracture treatment and British orthopaedic leadership.
Hilgenreiner line
Hilgenreiner line is the horizontal pelvic reference line used in paediatric hip radiographs. Review its use in DDH, history, Perkin line relationship and eponymythology.
Heinrich Hilgenreiner
Heinrich Hilgenreiner (1870–1953) was a German-Bohemian surgeon who pioneered early diagnosis and treatment of developmental hip dysplasia and described Hilgenreiner line.
Rolando fracture
Rolando fracture is a comminuted intra-articular fracture of the base of the first metacarpal. History, mechanism, imaging, management and eponym.
Silvio Rolando
Silvio Rolando da Carasco (1873-1949) Italian surgeon and urologist, describer of the Rolando fracture, with his Genoa career, key contributions and historical context.
CT Case 105
A 69 year old male presents with two days of atraumatic progressively worsening neck and scalp pain. Interpret the CT c-spine
Louis Gilula
Louis Arnold Gilula (1942-2014) was an American musculoskeletal radiologist known for Gilula carpal arcs, wrist imaging, vertebroplasty and interventional radiology.
Lorenz Böhler
Lorenz Böhler (1885-1973) Austrian trauma surgeon, founder of organised accident care, Böhler angle, and controversial Nazi-era figure.
Albert Henry Freiberg
Albert Henry Freiberg (1868-1940), American orthopaedic surgeon who described Freiberg infraction and helped advance orthopaedics and disability rehabilitation.
Ernst Baumann
Ernst Baumann (1890-1978). Swiss surgeon and traumatologist associated with the Baumann angle, elbow fracture care and the founding of the AO.