Clinical features of psoriatic juvenile idiopathic arthritis

Series, year	Sills, 1980	Shore, 1982	Southwood, 1989	Truckenbrodt, 1990	Roberton, 1996	Stoll, 2006	Flato, 2009
Number of patients	24	60	35	48	63	139	31
Percent female	71	58	69	44	70	59	77
Arthritis appears before psoriasis	58	43	48	42	56	29	50
Oligoarticular onset (<5 joints)		73	94	85	73	84	68
Cervical spine		32	17		25
TMJ			34		40	7
Shoulder		23	9	8		3
Elbow		43	20	15	30	13	33
Wrist	33	62	43	31	43	25	42
Small joints of the hand	88		60	31	62		61
MCP		53			43
PIP		40			51
DIP	63	42			27
Sacroiliac joint	29		11	17	5	1	0
Hip	33	38	23	21	32	11	23
Knee	67	77	89	67	84	60	87
Ankle		63	63	50	60	51	71
Small joints of the foot	67		46	25	56		42
Any peripheral small joint	>88	>53	69	>31	>62	57	65
Dactylitis		23	49	67		47^[1]	30
Uveitis	8	8	17	10	14	8	19

All numbers indicate percentage of patients. Blank = not reported.

TMJ: temporomandibular joint; MCP: metacarpophalangeal; PIP: proximal interphalangeal; DIP: distal interphalangeal.

Reference:

Stoll M, Nigrovic PA, unpublished data.

Data 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.

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Clinical features of psoriatic juvenile idiopathic arthritis