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
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