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Category Orthopaedics
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Developmental dysplasia of the hip

Description Developmental dysplasia of the hip (DDH), previously referred to as congenital dislocation of the hip (CDH), means that the hip joint of a newborn baby is dislocated or prone to dislocation. History Calot – 1905, 1926 Ortolani – 1935…

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Henri Victor Chaput

Victor Alexandre Henri Chaput (1857 – 1919) was a French Surgeon. Eponymously affiliated with Tillaux-Chaput fracture (1907)
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Hoffa fracture

Unicondylar coronal fracture of the lateral femoral condyle. Rare intra-articular distal femur injury. Axial compression to the knee with transmission of the ground reaction force through the tibial plateau to the femoral condyles.

Albert Hoffa

Albert Hoffa (1859 - 1907) was a German orthopedic surgeon. eponymously affiliated with a distal femur fracture (1888); an operation for congenital hip dislocations (1890); the development of a system of massage therapy, the Hoffa system (1893); and the Hoffa fat pad

Pierre Nicolas Gerdy

Biography Born 1797 Died 1856 Medical Eponyms Gerdy tubercle is the prominence on the lateral side of the proximal tibia where the iliotibial band (ITB) and tibialis anterior muscle attach Gerdy’s Safe Zone () Major Publications Gerdy P-N. Essai de…

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Gissane angle

Gissane Angle [aka *critical angle; critical angle of Gissane], like the Böhler angle, can be used to help determine the presence of a calcaneus fracture on a radiograph.
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Böhler angle

Böhler angle. The angle between line from highest point of anterior process to highest point of posterior facet plus line tangential to superior edge of tuberosity; measured on lateral foot x-ray. Normally 20-40°. If < 20° represents a calcaneal fracture