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DXI; DJD EXAM WITH QUESTIONS AND VERIFIED ANSWERS
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DXI; DJD EXAM WITH QUESTIONS AND VERIFIED ANSWERS...
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DXI; DJD EXAM WITH QUESTIONS ANDVERIFIED ANSWERS
How common is DJD compared to other arthropathies? - ANSWER MOST
COMMON
What is the age/sex prevalence for DJD? - ANSWER -Males until age 45
-Females after age 45
How might a patient with DJD present? - ANSWER -Often asymptomatic until
advanced
-Progresses to aching/stiffness that increases with rest and decreases with motion
What areas of the body is DJD most common? - ANSWER -Weight-bearing joints
(spine, hip, knees)
-Also in hands
Where in the cervical spine will DJD generally affect? What are the effects? -
ANSWER -Affects C5-C7
-Osteophytes
-Loss of disc height
-Subchondral sclerosis
-Spinal stenosis (<12mm)
Can there be atlantoaxial arthrosis in DJD? Does it occur often? - ANSWER -Yes,
but it's very rare
-Can be the cause of occipitocervical pain in old people
What can happen to the apophyseal joints in DJD? - ANSWER -Facet arthrosis
What can happen to uncovertebral joints in DJD? What can this cause to appear
radiographically? - ANSWER -Bowing of joints
, -Can cause pseudofractures on lateral cervical view
What area of the thoracic spine is most affected by DJD? What are the effects? -
ANSWER -T9-T12
-Osteophytes on right side - causing pulsation inhibition of left side from aorta
-Increasing kyphosis
What can happen in costovertebral joints in thoracic spine in DJD? - ANSWER
-Coin lesion in lung can be simulated
-Small IVFs (normally on small side anyway)
Where in lumbar spine is most commonly affected by DJD? What are the effects? -
ANSWER -L4/L5
-Osteophytes
-Loss of disc height
-Facet arthrosis
-Vacuum cleft
-Spinal stenosis (<12mm)
What can happen to apophyseal joints in lumbar spine? - ANSWER -Degeneration.
Sagittally oriented facets much more prone to degeneration
What can happen to the IVD in lumbar spine? - ANSWER -Traction osteophytes ->
early phase, 2mm from anterior body, horizontal and tapered
-Claw osteophytes -> broader base, vertical orientation, curvilinear, tapered (goes
horizontal first then vertically)
-Vacuum cleft -> lucent linear area in disc space from nitrogen gases
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