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JUVENILE IDIOPATHIC ARTHRITIS (INVESTIGATION (ESR/CRP, xrays of affected…
JUVENILE IDIOPATHIC ARTHRITIS
SIGNS &
SYMPTOMS
Extra-articular
General
fever, pallor, anorexia, LOW
Growth disturbance
growth failure, delayed puberty,
limb length discrepancy, micronagthia
Skin
subcutaneous nodules
rash (systemic, psoriasis, vasculitis)
nail pitting
Others
hepatomegaly, splenomegaly, lymphadenopathy
serositis, muscle atrophy/weakness
uveitis; acute in Enthesitis related arthritis (ERA)
Articular
joint swelling
joint pain
joint stiffness/gelling
joint warmth
restricted joint movements
limping gait
DEFINITION
Presence of definite arthritis
unknown aetiology
onset before the age of 16 years
persist for at least 6 weeks
A heterogenous group of chronic arthritides in childhood
JIA is a dx of exclusion
SUBTYPES
Systemic-onset JIA
Spondyloarthropaties
Polyarticular JIA
Oligoarticular JIA
DIFFERENTIAL DIAGNOSIS
INVESTIGATION
ESR/CRP
xrays of affected joints
FBC, peripheral blood film
antinuclear antibody
dx is clinical, lab only supportive
rheumatoid factor
other ix done as neccesary
MANAGEMENT
medical tx
physiotherapy
occupational therapy
ophthalmology referral
psychosocial support
nutritional support
others