Vancouver and ILAR criteria for juvenile psoriatic arthritis

	Vancouver	ILAR (Edmonton revision)
Inclusion criteria	Arthritis plus psoriasis or arthritis plus at least 2 of the following:	Arthritis plus psoriasis or arthritis plus at least 2 of the following:
	Dactylitis	Dactylitis
	Nail pits	Nail pits or onycholysis
	FHx of psoriasis in a 1^st or 2^nd degree relative	FHx of psoriasis in a 1^st degree relative
	Psoriasis-like rash
Exclusion criteria	None	Arthritis in an HLA-B27-positive male beginning after the 6^th birthday AS, ERA, sacroiliitis with IBD, reactive arthritis, or acute anterior uveitis, or a history of 1 of these disorders in a 1^st degree relative The presence of IgM RF on at least 2 occasions at least 3 months apart The presence of systemic JIA in a patient Arthritis fulfilling 2 JIA categories

For both criteria sets, arthritis must be of unknown etiology, begin before the 16^th birthday, and persist for at least 6 weeks. Under the Vancouver criteria, "definite" disease is arthritis plus psoriasis or arthritis plus 3 minor criteria, while "probable" disease is arthritis plus 2 minor criteria.

ILAR: International League of Associations for Rheumatology; FHx: family history; AS: ankylosing spondylitis; ERA: enthesitis-related arthritis; IBD: inflammatory bowel disease; JIA: juvenile idiopathic arthritis; RF: rheumatoid factor.

Reproduced from: Nigrovic PA, Sundel RP, Petty RE. Juvenile psoriatic arthritis. In: Textbook of Pediatric Rheumatology, 6th ed, Cassidy JT, Petty RE, Laxer RM, Lindsley CB (Eds), Saunders, Philadelphia 2011. Table used with the permission of Elsevier Inc. All rights reserved.

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Vancouver and ILAR criteria for juvenile psoriatic arthritis