Equine Appendicular Skeleton Flashcards by Bianca Lara

Name the views you would obtain on an equine radiograph.

Lateromedial
Dorsopalmar/plantar
DMPLO
DLPMO

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When you take a DMPLO radiograph which side would you see?

Dorsolateral
Palmar/plantaromedial

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When you take a DLPMO radiograph which sides would you see?

Dorsomedial
Palmar/plantarolateral

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Where would you place a marker on the lateromedial radiograph?

A. Medial

B. Lateral

C. Dorsal

D. Palmar/Plantar

C. Dorsal

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Where would you place a marker on the dorsoplantar, DMPL, DLPM radiograph?

A. Medial

B. Lateral

C. Dorsal

D. Palmar/Plantar

B. Lateral

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Which joint is the most commonly affected in horses with hindlimb lameness?

Tarsus joint

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Which view is depicted here?

DLPMO

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Which view is depicted here?

DMPLO (prominent indentation of the lateral trochlear ridge)

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In the horse, where is the most common place to see OCD?

tarsocrural joint (intermediate ridge of the distal tibia DIRT)

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What is the best view to see OCD lesions?

DMPLO

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Which disease is indicated here and in what view?

OCD and DMPLO

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This disease is the most common cause of lamenes and is a degenerative joint disease of the tarsus. Periarticular osteophyte formation is the most common finding.

Bone Spavin

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What are the most common joints involved with bone spavin?

Distal intertarsal and tarsometatarsal joints

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What disease is indicated here?

Bone Spavin

Advanced disease may have subchondral bone lysis and narrowing of the joint space (can progress to sclerosis and ankylosis)

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Is this the equine tarsus or carpus?

Carpus

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Which part of the carpus is indicated by the light blue star?

A. Radial carpal bone

B. Intermediate carpal bone

C. Ular carpal bone

D. Third carpal bone

B. Intermediate carpal bone

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Which part of the carpus is indicated by the pink star?

A. Radial carpal bone

B. Intermediate carpal bone

C. Ular carpal bone

D. Third carpal bone

A. radial carpal bone

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Which part of the carpus is indicated by the green star?

A. Radial carpal bone

B. Intermediate carpal bone

C. Ular carpal bone

D. Acessory carpal bone

D. Accesory carpal bone

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Which part of the carpus is indicarted by the orange star?

A. Radial carpal bone

B. Intermediate carpal bone

C. Ulnar carpal bone

D. Accesory carpal bone

C. Ulnar carpal bone

Which part of the carpus is indicarted by the dark blue rectangle?

A. 2nd carpal bone

B. 3rd carpal bone

C. 4th carpal bone

D. Metacarpal bone 3

B. 3rd carpal bone

Which part of the carpus is indicated by the purple rectangle?

A. 2nd carpal bone

B. 3rd carpal bone

C. 4th carpal bone

D. Metacarpal bone 3

C. 4th carpal bone

Which part of the carpus is indicated by the light green rectangle?

A. 2nd carpal bone

B. 3rd carpal bone

C. 4th carpal bone

D. Metacarpal bone 3

A. 2nd carpal bone

Which part is indicated by the green circle?

A. MC2

B. MC3

C. MC4

D. MC5

A. MC2

Which part is indicated by the purple circle?

A. MC2

B. MC3

C. MC4

D. MC5

C. MC4

Which part is indicated by the dark blue circle? A. MC2 B. MC3 C. MC4 D. MC5

B. MC3

What kind a view is this of the equine carpus?

DLPMO

What kind a view is this of the equine carpus?

DMPLO

Radial carpal bone chip fracture. Detected or not detected?

Detected

Which disease is this associated with? A. Carpal fracture B. Osteochondrosis C. Physitis D. Osteoarthrosis

D. Osteoarthrosis

Which metacarpal/tarsal abnormality is this? A. Splints B. Sequestrum C. Trauma

A. Splints

Which metacarpal/tarsal abnormality is this? A. Splints B. Sequestrum C. Trauma

B. Sequestrum

What is indicated by the peach? A. Navicular bone B. Coffin bone C. Solar margin D. Semi lunar canal

A. Navicular bone

What is indicated by the dark blue? ## Footnote A. Navicular bone B. Coffin bone C. Solar margin D. Semi lunar canal

D. Semi lunar canal

What is indicated by the green? A. Navicular bone B. Coffin bone C. Solar margin D. Semi lunar canal

C. Solar margin

What is indicated by the yellow line? A. Navicular bone B. Flexor surface C. Medullary cavity D. Wings of coffin bone

B. Flexor surface

What part is indicated by green? ## Footnote A. Navicular bone B. Flexor surface C. Medullary cavity D. Wings of coffin bone

C. Medullary cavity

What part is indicated by the pink? ## Footnote A. Navicular bone B. Flexor surface C. Medullary cavity D. Wings of coffin bone

A. Navicular bone

Laminitis. Detected or not detected.

Not detected. Club foot - palmar tendon deformity/flexor tendon contracture

What is indicated in the red circle?

Foot abscess

Chronic, severe, sinking and rotational laminitis. Detected or not detected?

Detected

What are the four surfaces of the navicular bone?

Proximal Distal Articular Flexor

In the navicular bone, there should be no more than ___ synovial invaginations. A. 5 B. 6 C. 7 D. 8

C. 7

The arrow is point to a...

Enthesophyte

This image indicates what in navicular degeneration?

Enthesophyte and navicular remodeling

There are 9 invaginations, remodeling and irregular distal surface. This is consistent with navicular degeneration. True or false?

True