Page 377 - Canine Lameness

Avascular Small-breed dogs, Radiographs Pain, crepitus, variable Surgical: total hip Can be bilateral Legg-Perthes,
necrosis of the 4–11 months of age; (orthogonal views), CT lameness, can be arthroplasty or and frequently Calve-Perthes,
femoral head genetic in Miniature for early presentation non-weight-bearing femoral head and patients also have Legg-Calve-
Poodle and West neck ostectomy patellar luxation Perthes, aseptic
Highland White Terrier necrosis of the
femoral head,
osteochondritis
juvenilis, and
coxa plana
Gracilis German Shepherd Dog, Palpation of muscle; Distinctive gait: Medical Can be bilateral;
contracture males 3–7 years of age biopsy for definitive shortened stride with management; surgery dogs non-painful
diagnosis reduced stifle extension unrewarding
jerking motion of the
limb
Quadriceps Young, often after femur Physical exam; muscle Unable to flex stifle If secondary to Differentiate Fracture
contracture fracture biopsy trauma – prevention etiopathogenesis disease;
is the best treatment; (d/t fracture quadriceps “tie
if secondary to orparasitic) based down;”
Neospora and caught on history. Perform parasitic
early medical titers for Neospora quadriceps
management may and toxoplasmosis contracture
avoid progression if bilateral and no
history of trauma
Iliopsoas Any breed or age; Ultrasound, MRI Variable lameness; pain Rest, pain relief; Ultrasound is
myotendinopathy however, working dogs with hip extension and rarely surgery operator dependent
may be more prone internal rotation modality; Diagnosis
based on palpation
may result in
overdiagnosis
Neoplasia Any breed or age Radiographs, CT; Pain, crepitus, variable Based upon tumor Can be difficult to
biopsy for definitive lameness type: surgery, differentiate
diagnosis radiation, neoplasia from
±chemotherapy severe
osteoarthritis and
sepsis
r/o = rule out and dt/ = due to.

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