Psoriatic arthritis

*1. What are the manifestations of HIV-associated psoriatic arthritis? What is the treatment?
2. What are the clinical manifestations of psoriatic arthritis?
3. What are the clinical manifestations of psoriasis?
4. What are the radiographic findings in psoriatic arthritis?
*5. What is the treatment of psoriatic arthritis?

Answers:
1. Foot and ankle involvement is most common. Treatment is the same as for psoriatic arthritis, including NSAIDs, with no oral steroids or methotrexate.
2. Morning stiffness in spine ~ 30 min, asymmetric, oligoarticular, arthritis mutilans (telescoping of finger), enthesopathy, spondylitis, sacroiliitis.
3. Erythematous silvery scales on extensor surfaces, Auspitz sign (scraping of lesions -> pinpoint bleeding), nail pitting, conjunctivitis, aortic insufficiency.
4. Pencil in cup appearance of DIP, asymmetric sacroiliitis, "fluffy periostitis", syndesmophytes, and bone erosions.
5. ROM, similar meds to RA, PUVA, steroid injections.