Synovitis–Transient

Basics

Description

Transient inflammatory process resulting in arthralgia and arthritis (especially affecting the hip), often precipitated by an exposure to an infectious agent

Epidemiology

Any age at risk
Most common in ages 3 to 8 years
Males affected ~2 times more frequently

Risk Factors

Genetics

No specific associations

Pathophysiology

Unclear

Etiology

Usually viral (especially upper respiratory but also enterovirus). Allergic and traumatic causes have been proposed as well.

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