Psoriatic arthritis

important points on Psoriatic
Arthritis ;
1)Nail changes occur in 90% of
patients with psoriatic
arthritis,compared to 40% in psoriatic
patients without arthritis.
2)The subtype of psoriasis associated
with severe arthritis is Pustular
Psoariasis.
3)Shortening of digitis(telescoping)
because of underlying osteolysis is
characteristic of psoriatic arthritis.
4)Associated nail changes are-
pitting,horizontal ridging,onychol
ysis,yellowish discoloration of nail
margins,dystrophic hyperkeratosis..
5)Distal interphalangeal joint
involvement produces the classic
"pencil in cup" deformity.
6)The "Wright and Moll classification"
as well as "CASPAR Criteria" are for
Psoriatic Arthritis.
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