Equine Radiology

Question 1

suitable sedation for rads

Answer 1

Detomiddine 0.01mg/kg IV
OR
Xylazine 0.5mg/kg IV
+/- Butorphanol 0.01mg/kg IV OR methadone 0.1mg/kg IV

Question 2

DPLMo Highlights

Answer 2

Dorsomedial and palmarolateral surfaces

Question 3

DLPMo highlights

Answer 3

dorsolateral and palmaromedial surfaces

Question 4

DMPLo highlights

Answer 4

dorsolateral and palmaromedial surfaces

Question 5

coffin joint name

Answer 5

distal interphalangeal joint

Question 6

pastern joint name

Answer 6

proximal interphalangeal joint

Question 7

Req. preparation of foot prior to rads

Answer 7

1. Remove shoe
2. Pare/debride sole
3. Clean/scrub sole and hoof wall and dry
4. Pack lateral sulci and central sulcus of frog

Question 8

routine equine foot views

Answer 8

1. Lateromedial
2. Dorsopalmar
3. Dorso65proximal - palmarodistal oblique (solar margin view)

Question 9

oblique solar margin views

Answer 9

1. Dorsal45lateral - palmaromedial oblique

2. Dorsal45medial - palmarolateral oblique

Question 10

fetlock joint name

Answer 10

metacarpophalangeal joint

Question 11

Routine fetlock views of forelimb

Answer 11

1. DP
2. DLPMo
3. DMPLo
4. Flexed latero-medial ( to see larger proportion of the sagittal ridge)

Question 12

routine views of hind fetlock

Answer 12

1. DP
2. DLPMo
3. DMPLo
4. Standing latero-medial

Question 13

why is the fetlock DP shot with a 15-20degree pr-distal angle?

Answer 13

to clear the sesamoids from the joint - to assess subchondral bone defects

Question 14

what is a common site for chip fragments in fore fetlocks?

Answer 14

proximal dorsomedial aspect of the proximal phalanx

Question 15

what is a common site for chip fragments in the hind fetlock?

Answer 15

proximal palmaromedial aspect of the proximal phalanx

Question 16

common OCD site in the fore fetlock (and view which highlights it)

Answer 16

sagittal ridge

highlighted by flexed LM

Question 17

sesamoids w/ enlarged vasculature >2mm thick suggests…

Answer 17

sesamoiditis

Question 18

Name the joints in the carpus

Answer 18

1. Radiocarpal joint
2. Mid-carpal joint
3. Carpometacarpal joint

Question 19

Name the proximal row of carpal bones from medial to lateral

Answer 19

1. Radial carpal bone
2. Intermediate carpal bone
3. Ulnar carpal bone
4. Accessory carpal bone

Question 20

name the routine views of the carpus

Answer 20

1. Dorsolateral-palmaromedial oblique
2. Palmarolateral-dorsomedial oblique (PLDMo or DMPLo)
3. Flexed latero-medial
4. Dorso-palmar (DP)
5. Distal row skyline

Question 21

which two carpal views produce the same image?

Answer 21

DMPLo and PLDMo

Question 22

the distal row skyline view of the carpus is useful to assess what?

Answer 22

the dorsal articular margin of the radial and intermediate facets of the third carpal bone (C3)

Question 23

the proximal row skyline view of the carpus is useful to assess what?

Answer 23

the dorsal articular margin of the proximal intermediate and radial carpal bones

Question 24

names the joints in the tarsus

Answer 24

1. Tibiotarsal joint
2. Proximal intertarsal joint
3. Distal intertarsal joint
4. Tarsometatarsal joint
5. Talocalcaneal joint

Question 25

Routine views of the tarsus

Answer 25

1. DP
2. DLPMo
3. DMPLo
4. LM

Question 26

common pathology highlighted by DP tarsus view

Answer 26

• OCD of medial malleolus of the tibia

- distal tarsal joint OA

Question 27

common pathology highlighted by the LM tarsus view

Answer 27

• DIRT OCD

- Distal tarsal joint OA

Question 28

common pathology highlighted by the DLPMo tarsus view

Answer 28

• MTR OCD

Question 29

common pathology highlighted by the DMPLo tarsus view

Answer 29

• LTR OCD

- DIRT OCD

Question 30

common pathology highlighted by the DP carpus view

Answer 30

• SCL distal radius
• sclerosis prox mid MCIII
• OA