Objectives To validate the previously proposed classification criteria for Henoch–Schönlein
purpura (HSP), childhood polyarteritis nodosa (c-PAN), c-Wegener granulomatosis (c-WG) …

Objective To determine cutoff values for defining remission, minimal disease activity, and
parent and child acceptable symptom state in juvenile idiopathic arthritis (JIA) using the …

Objective. To develop and test a new multidimensional questionnaire for assessment of
children with juvenile idiopathic arthritis (JIA) in standard clinical care. Methods. The Juvenile …

Objective To compare whole-body MRI (WB-MRI) with clinical examination in the assessment
of disease activity in juvenile dermatomyositis (JDM). Methods WB-MR images were …

Objective. To explore the parent and child acceptable symptom state in juvenile arthritis (JA-PASS
and JA-CASS, respectively) and estimate the JA-PASS and JA-CASS cutoff values for …

Objective To develop and validate a parent‐centered and a child‐centered composite
disease assessment index for juvenile idiopathic arthritis (JIA): the Juvenile Arthritis Parent …

Pseudoxanthoma elasticum (PXE) is a rare genetic disorder characterized by fragmented
and mineralized elastic fibers in the mid-dermis of the skin, eye, digestive tract and …

Objective To evaluate the presence and progression of radiographic joint damage, as assessed
with the adapted Sharp/van der Heijde score (SHS), in individual joints in the hand and …

Background To investigate the frequency of achievement of inactive disease (ID) in children
with juvenile idiopathic arthritis (JIA) treated with methotrexate (MTX) as the sole disease-…

Background Few clinical trials have investigated the prevention of radiographic progression
in children with juvenile idiopathic arthritis treated with antirheumatic drugs. This study …