Lower Limb Imaging - Part 1 (Msq Drill 191)

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1. What is the diagnosis?

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Lower Limb Imaging - Part 1 (Msq Drill 191) - Quiz

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What first name or nickname would you like us to use?

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2. What is the diagnosis?

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3.

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Explanation

AKA lisfranc injury

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15. Diagnosis?

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16. Diagnosis?

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17. Diagnosis?

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18. Diagnosis?

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19. Diagnosis?

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20.

This patient has calcification of the:

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25. Diagnosis?

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27. This patient has suffered what type of injury?

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28. Diganosis?

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29. The arrows are pointing to:

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30. What view of the pelvis is this?

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36. DIAGNOSIS?

Explanation

Early on are completely normal, but with ongoing problem, one sees progressively :

Osteopenia
Central radiolucency with a sclerotic border
A Subchondral lucency - making up the “crescent sign”
Flattening of the head.
Collapse of the head.
Secondary changes of Osteoarthritis.
Joint space narrowing
Progressive joint destruction

Since the X-Rays may be completely normal - it is essential to be able to see the problem early.
Two main methods exist for early diagnosis.

Magnetic Resonance Scanning.
This was first used for AVN in 1983
One Requires T1 and T2 axial and coronal views.
Signs on MRI are:
Low Subchondral intensity (96%)
A margin of low signal (60-80%)
A double line sign (50-80%)
Joint fluid

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39.
Which of the following are characteristics of a Maisonneuve fracture?

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46.

Explanation

AKA pseudo jones fracture

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What is the diagnosis?
What is the diagnosis?
Diagnosis?
Diagnosis?
Diagnosis?
Diagnosis?
Diagnosis?
This patient has calcification of the:
Diagnosis?
This patient has suffered what type of injury?
Diganosis?
The arrows are pointing to:
What view of the pelvis is this?
DIAGNOSIS?
Which of the following are characteristics of a Maisonneuve fracture?
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