Table 1 (abstract P054). Number of Patients (3)

Median Age (years)

3.5

Lumbar involvement

1/3

Sex

Female

Diagnostic arthrocentesis inflammatory

3/3

Onset of cervical involvement

Cervical arthralgia 2/3

Limitation and stiffness 1/3

Cervical X-ray pathological

0/3

Diagnosis

Early onset Psoriatic arthritis type JIA

Monophasic systemic JIA

Oligoarticular JIA ANA positive.

Pathological cervical MRI

1/3

Family history

1/3 Grandfather with psoriasis.

Pathological lumbar MRI

1/3

Elevated ESR and/or CRP

3/3

Corticotherapy

2/3

ANA positive

2/3

Methotrexate

2/3

HLAB27 positive

0/3

antiTNF

2/3

Acute anterior uveitis

1/3