Category Orthopaedics
winking owl sign 680

Winking owl sign

One of the first signs of vertebral metastases is disappearance of the pedicle on the AP X-ray. This is known as the 'absent pedicle' or 'winking owl sign'.

Segond fracture 680

Segond fracture

Segond fracture: Avulsion fracture (small) of the lateral surface of the lateral tibial condyle. Paul Ferdinand Segond (1851-1912) described 1879

Thomas Bentley Throckmorton (1885-1961) 680

Tom Throckmorton

Tom Bentley Throckmorton (1885-1961) was an American neurologist. Eponym: Throckmorton sign (John Thomas sign); Throckmorton reflex

Cotton fracture 340

Cotton fracture

Cotton fracture (trimalleolar fracture) described in 1915 by Frederic Jay Cotton (1869-1939); fracture of the ankle that involving the lateral malleolus, medial malleolus and distal posterior aspect of the tibia (posterior malleolus).

Silvio Rolando da Carasco (1873-1949) 680

Silvio Rolando

Silvio Rolando da Carasco (1873-1949) Italian general surgeon in Genoa. Rolando Fracture (1910) three-part base of first metacarpal fracture

Shepherd fracture 680

Shepherd fracture

Sherpherd fracture: Posterior talar process fracture with injury to the lateral tubercle caused by inversion or extreme equinus (1882)

Cedell fracture 680

Cedell fracture

Cedell fracture (1974): Posterior talar process fracture with injury to the posteromedial tubercle caused by forced dorsiflexion and pronation