What is a common differential diagnosis for children presenting with a limp?

Transient synovitis is a common differential diagnosis for children presenting with a limp due to its prevalence and the profile of symptoms it presents. This condition typically occurs in children aged 3 to 10 years and is characterized by hip pain and limping, often following a viral infection.

The hallmark of transient synovitis is that it usually presents with acute hip pain and is often self-limiting, meaning that many children recover fully without the need for extensive medical interventions. It is essential to differentiate transient synovitis from other conditions such as septic arthritis, which is a more serious infection requiring prompt treatment, and other conditions that may present with similar symptoms.

Clinically, transient synovitis can be distinguished from these other conditions through a combination of symptom history, physical examination, and imaging. Laboratory tests may also be conducted to rule out infection or inflammation indicators. Understanding this condition and its commonality in the pediatric population helps healthcare providers effectively triage and manage limping in children.