The differential diagnoses of a limp in a child are broad. Normal age-related gait must first be differentiated from gait impairment. Once gait impairment is identified, differential diagnoses are narrowed as the history and physical examination findings begin to suggest a source for the limp. In many instances, a diagnosis...

LEGG-CALVE-PERTHES DISEASE Alternative titles; symbols LCPD; LCP LEGG-PERTHES DISEASE PERTHES DISEASE Legg-Calve-Perthes disease is characterized by loss of circulation to the femoral head, resulting in avascular necrosis in a growing child. Clinical pictures of the disease vary, depending on the phase of disease progression through ischemia, revascularization, fracture and collapse, and repair and...