Page 175 - Canine Lameness

Disease Common signalment Exam findings Diagnostic test of choice Treatment Clinical pearls Terminology
Corns Sight hounds, especially Well-circumscribed Biopsy and Symptomatic or with 90% affect digital pads Sweet corns:
Greyhounds hyperkeratotic histopathology surgical excision if of digits 3 and 4 of the “wart-like lesion”
lesions with central unresponsive thoracic limbs and or “Porokeratosis
keratin core consider other DD if plantaris discreta”
located in other digits
Dermatologic Multiple etiologies. Visually identifiable Clinical appearance, Depending on cause. Important differential
conditions Predisposed breeds for changes to paw pads, skin scraping, exudate Pharmacologic and for lameness – careful
causing specific conditions, any claws, and nail bed cytology, FNA, bacterial surgical treatment evaluation of the
lameness breed and age for infectious and fungal culture. (amputation if paws/pad necessary
conditions Radiographs to detect extensive bone to establish diagnosis
potential underlying involvement)
bone involvement
Hypertrophic Any breed or age, older Limb thickening and Radiographs of limbs Treat underlying Periosteal reaction Marie’s disease of
osteopathy animals more common pain and thoracic and thoracic and/or and pain in all four the dog,
since most commonly abdominal imaging abdominal cause limbs hypertrophic
associated with thoracic osteoarthropathy/
neoplasia osteopathy
Digit Older animals Swelling or mass Fine-needle aspirate or Digit amputation, Squamous cell
neoplasia effect of the biopsy, and radiographs partial foot carcinoma and
digits – third phalanx (malignant melanoma amputation; rarely malignant melanoma
most commonly frequently does not requires partial or most common rarely
affected cause lytic changes) full-limb amputation can affect multiple
digits

0004507095.INDD 147 12/10/2019 1:23:55 PM