<prompt> CASPAR criteria is used in diagnosis of ?Psoriatic ahritisRheumatoid ahritisAnkyosing spondylitisReactive synnovitis  <response>: Ans. is a i.e., Psoriatic ahritis Classification criteria for psoriatic ahritis CASPAR is used for the diagnosis of psoriatic ahropathy. The CASPAR classification Criteria for Psoriatic Ahritis Criteria To meet the CASPAR criteria a patient must have inflammatory aicular disease joint, spine, or entheseal with 3 points from any of the following five categories : Evidence of current psoriasis, a personal history of psoriasis, or fa family history of psoriasis. Typical psoriatic nail dystrophy observed on current physical examination. A negative test result for rheumatoid factor. Either current dactylitis or a history of dactylitis recorded by a rheumatologist. Radiographic evidence of juxtaaicular new bone formation in the hand or foot. 