LEC 9 - Equine Foot + Ankle Flashcards
How many views are needed for the foot?
2
What are the most common views done on the foot?
Lateromedial
– and–
Dorsoproximal-palmarodistal obilque
What are two other names for dorsoproximal-palmarodistal oblique?
Upright pedal
Upright Navicular
What are three other possible x-ray angles that can be used on the foot?
Dorsolateral plataromedial obilque
Dorsopalmar
Upright navicular (dorsoproximal-palarodistal oblique)
Describe: LAT
Foot on ground
Casssett on medial portion of leg
Xray taken head on laterally
Describe: Upright pedal
Foot is tip-toed on ground
Film is up with bottom of foot against it
Xray taken head on from front of leg
Describe: Dorsolateral plantaromedial obilque
Film on ground with foot on top
Xray taken at 45 degs from lateral side of leg
Describe: Dorsopalmar
Foot on ground
Film against caudal portion of leg
Xray taken head on from front of leg
Describe: Upright navicular
Hoof paritally tip toed on ground
Heel against film like a wall
Xray taken head on from front
What is a big exception that should be taken into consideration with DJD and horses?
Lysis is pressent but it is NOT an aggressive disease
Though when you see this it does mean it is end-stage
What are the two forms of laminitis seen?
Flipping
– and –
Sinking
how do you know if a horse is a chronic flipper or acute?
Acute: Coffin bone down, bone not parallel with hoof wall
Chronic: Bone spur present at tip of coffin bone
What is the worst form of laminitis?
Sinker
How do you know if navicular degeneration is occurring?
Subchondryl cysts seen within the bone
What is the minimum amount of views done on the tarsus?
4
What are the four typical views on the tarsus/hock?
LAT
DP
DLPMO
DMPLO
What are the best views to see the tarsus?
DLPMO
DMPLO
What is seen on LAT view?
D/P
What is seen on DP view?
L/M
What is seen on DLPMO view?
DL
– and –
PM
What is seen on DMPLO view?
DM
– and –
PL
Where are common places for a horse to get OCD in the tarsus?
Medial trochlear ridge
Lateral trochlear ridge
Medial malleolus
When is the carpus commonly injured in a horse?
Hyperextension when landing a jump
When flexion of the carpus is done for an x-ray what bones move in what direction?
Intermediate carpal bone does up
Radial Carpal bone goes down
Where does a horse have a fat pad that small animals do not?
Carpus
What are the two directions of angular limb deformaties?
Varus
– and –
Valgus
Define: Varus
Medial
Define: Valgus
Lateral
