Page 162 - Equine Clinical Medicine, Surgery and Reproduction, 2nd Edition

Musculoskeletal system: 1.4 The forelimb 137

VetBooks.ir 1.243 1.244

Figs. 1.243, 1.244
Lateromedial standing
(1.243) and flexed (1.244)
radiographs of a right
hindlimb fetlock joint
revealing a small rounded
osteochondral fragment
just distal to the proximal
sesamoid bone and proximal
to the plantar aspect of P1.

1.245 1.246 1.247

Figs. 1.245–1.247 Acute traumatic fractures of the plantar eminence of P1 (1.245) can be treated by removal
(1.246) or by internal fixation (1.247).

performed and is a relatively straightforward proce- be stabilised through internal fixation or, if small
dure. Some dorsal fragments can be removed in the enough, removed (Figs. 1.245–1.247).
standing sedated horse. Assessment of the cartilage
can also be performed arthroscopically, which may Prognosis
provide information regarding clinical significance The prognosis for return to athletic function fol-
and prognosis. Large palmar/plantar fragments are lowing removal of osteochondral fragments is good
often chronic and managed conservatively. Acute although outcome is reduced with the presence of
fractures of the palmar/plantar eminence of P1 can additional arthroscopic findings and with age.