Page 285 - Equine Clinical Medicine, Surgery and Reproduction, 2nd Edition

260 CHAPTER 1

VetBooks.ir 1.490

Fig. 1.490 Radiograph of several dorsal spinous
process (DSP) tips in the cranial thoracic region.
There is a spur of bone (arrow) on the cranial aspect
of DSP T11 without narrowing of the interspinous
space.

1.491

1.492

Fig. 1.491 Fistulous withers. Multiple draining Fig. 1.492 Abscess in the lumbar epaxial muscles
tracts are present from the infected supraspinous caused by a puncture wound. Swelling, heat and
bursa. extreme tenderness were present.

1.493 1.494

Fig. 1.493 Poor fitting tack can lead to saddle slip, Fig. 1.494 With chronicity, tack can rub right
excessive rubbing and hair loss. through the skin, causing open painful saddle sores
as in this working Mule.

in the size, texture and response to palpation of (Fig. 1.494). These can become chronic, with pain-
epaxial muscles may be appreciable. Ill-fitting ful scar tissue formation, termed saddle galls. Muscle
saddles may cause direct soft-tissue trauma, which trauma causes variable focal pain and spasm. With
may manifest as hair loss (Fig. 1.493), focal muscle chronicity, the symptoms may become more diffuse
atrophy, white hairs, painful blisters or even ulcers and muscle wasting more of a prominent feature.