Pediatric Rheumatology Glossary

Fixed reduction in joint range of motion resulting from chronic inflammation, fibrosis, or muscle weakness in pediatric...

Juvenile-onset Systemic Lupus Erythematosus, referring to systemic lupus erythematosus with onset before age 18.

A comprehensive assessment tool measuring disease activity and quality of life in pediatric rheumatic diseases.

A rare inflammatory muscle disease in children characterized by proximal weakness and distinctive skin rashes.

The most common chronic rheumatic disease in children, characterized by persistent joint inflammation of unknown cause.

A group of inflammatory arthritides affecting children, primarily involving the spine and entheses.

Rare autoimmune connective tissue disorder causing skin thickening and organ involvement in children.

Acute systemic vasculitis primarily affecting children under five years of age.

Difference in limb length that can occur in children with chronic knee inflammation due to altered growth patterns.

A form of localized scleroderma presenting as linear bands of thickened skin, often affecting limbs and potentially caus...

Loss of subcutaneous fat tissue, a potential complication of juvenile dermatomyositis or calcinosis.

A pediatric autoimmune connective tissue disorder causing skin and subcutaneous tissue thickening without systemic organ...

A life-threatening complication of systemic JIA characterized by excessive immune activation and cytokine storm.

Hyperkeratotic, cracked skin on the radial and palmar aspects of fingers seen in juvenile dermatomyositis.

A clinical syndrome involving gastrointestinal and behavioral symptoms that develop in pediatric patients receiving meth...

Underdevelopment of the jaw, particularly the mandible, often occurring in juvenile idiopathic arthritis affecting the t...

A form of kidney involvement in pediatric lupus characterized by mild histologic changes but potentially significant pro...

The length of time joint stiffness persists after awakening, used as a key clinical parameter for assessing inflammatory...

A set of laboratory tests measuring enzymes released from damaged muscle tissue, used to assess inflammatory myopathy se...

Autoantibodies specifically associated with inflammatory myopathies in children.

Non-invasive imaging technique to evaluate microvascular changes at the nailfold.

Neonatal-Onset Multisystem Inflammatory Disease, the most severe form of cryopyrin-associated periodic syndrome.

Affecting four or fewer joints during the first six months of disease, a key subtype classification in pediatric arthrit...

The progression of oligoarticular juvenile idiopathic arthritis to involve five or more joints within the first six mont...