CLINICAL ENCOUNTERS
ANKYLOSING SPONDYLITIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Grade 1-Grade 5
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Grade 0-Grade 4
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Grade 1, Grade 2, Grade 4, Grade 5
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None of the above
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Detailed explanation-1: -Sacroiliitis – Grade 0-UpToDate. The sacroiliac joints are normal and are scored as grade 0. Note the thin white line on each side of the joints, indicating normal subchondral bone and the absence of sclerosis. There is no joint erosion, and no joint space widening or fusion is seen.
Detailed explanation-2: -Grade 3: Unequivocal abnormality-moderate or advanced sacroiliitis consisting of erosion, sclerosis, widening, narrowing, and/or partial joint fusion (ankylosis). Grade 4: Severe abnormality in the form of total ankylosis.
Detailed explanation-3: -Grade 0 is normal, grade 1 is suspicious changes, grade 2 is minimal definite changes, grade 3 is distinctive changes, and grade 4 is ankylosis (fusion of the bones).