Psoriatic Arthritis. Shahrad Behnam MS IV. INTRODUCTION. Psoriasis is a hyper-inflammatory disease that contributes to the development of demarcated erythematous scaly plaques.
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Shahrad Behnam MS IV
psoriasis of knees
The high frequency of distal joint involvement in psoriatic arthritis compared to
Radiograph of both hands demonstrates cup-in-pencil deformities of both thumbs and erosion of DIP joint of left middle finger
A more closer look of pencil-in-cup deformity (#1) , along with articular ankylosis (#2) at the site of DIP and osteolysis of distal phalangeal (#3)
Bilateral sacroiliitis is most common. There are erosion and sclerosis at the SI joints
Normal spine: In un-diseased spine, there is concavity of vertebral bodies (arrows).
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