SA Musculoskeletal Conditions of the Tibia and Tarsus

Question 1

What is the pathogenesis of premature closure of the caudal proximal tibial physis?

Answer 1

Continued growth of the cranial aspect of the proximal tibia resulting in alteration of the tibial plateau angle and potential to lead to rupture of the CCL and DJD.

Question 2

Which breeds often have premature closure of the distal tibial physis and how does this present?

Answer 2

Shelties - tarsal valgus
Dachsunds - tarsal varus

Question 3

Which breed and age are predisposed to tibial tuberosity avulsion fractures andhow would you correct this surgically?

Answer 3

Terriers
3-5 months
Avulsion fracture - pins and TBW

Question 4

List four treatment options for distal tibial growth plate fractures

Answer 4

Physeal fracture principles
ORIF if displaced
External coaptation if minimal displacement
Use small X pins

Question 5

What is the pathogenesis of dislocation of the hock?

Answer 5

Collateral ligament ruptures and/or avulsion fractures of medial malleoli/distal fibular

Question 6

Which breeds often are diagnosed with tarsal osteochondrosis and at what age?

Answer 6

Rottweillers, Labradors
5-10 months

Question 7

What does rupture of the plantar tarsal ligaments and fibrocartilage cause and how does this present?

Answer 7

Proximal intertarsal joint subluxation
Lameness, plantigrade stange, can be bilateral changes

Question 8

What are the main two clinical signs of complete rupture of the gastrocnemius?

Answer 8

Claw foot, plantigrade stance