Shepherd fracture

Shep·herd frac·ture

(shep'hĕrd),
a fracture of the external tubercle (posterior process) of the talus, sometimes mistaken for a displacement of the os trigonum.

Shep·herd frac·ture

(shep'ĕrd frak'shŭr)
A fracture of the external tubercle (posterior process) of the talus, sometimes mistaken for a displacement of the os trigonum.

Shepherd,

Francis John, Canadian surgeon, 1851-1929.
Shepherd fracture - a fracture of the posterior process of the talus, sometimes mistaken for a displacement of the os trigonum.