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    Ankylosing Spondylitis Spine + Hip/ DISH

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    What is Ankylosing Spondylitis?
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    What is DISH?
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    Difference between DISH and AS?
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    What are the stages of Ankylosing spondylitis?
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    Why is there osteopenia in Ankylosing Spondylitis?
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    How will you assess this patient History?
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    What is the diagnostic criteria For ankylosing spondylitis?
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    What do you see on the XR? What special lesions? How to differentiate from DISH?
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    Difference between syndesmophytes vs osteophytes?
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    What other tests?
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    How can you confirm the source of patient's pain?
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    How do you do a THR for AS patient? [Not fused]
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    How do you do a THR for AS patient [Fused]?
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    Controversy - is Hip THR or spine fusion first?
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    How does a stiff spine increase risk of Hip dislocation?
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    What if i tell you this patient does not have AS? What other causes?

    Scenario 2: AS Spine Trauma? (also applicable to DISH spine)

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    What investigation if XR normal?
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    Management principles for this injury?
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    What is the surgery plan? What considerations?

    Scenario 3 AS Spine Kyphosis

    image
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    Indications for kyphosis correction?
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    What are the 3 osteotomy options for Kyphosis? Any other considerations?
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