Rapidly destructive osteoarthritis of the hip

Last revised by Joshua Yap on 22 Sep 2022

Rapidly destructive osteoarthritis of the hip, also known as rapidly progressive osteoarthritis of the hip, is a rare chondrolysis of unknown etiology which can progress to complete destruction of the femoral head. It is a diagnosis of exclusion.

It is most common in middle age to elderly females in almost all reported case series.

Hip pain is the most frequently encountered symptom. In most cases, hip pain are present from 6 months to 3 years (mean 1.4 years) 2.

Plain radiographic findings are a continuum that varies from rapidly progressive chondrolysis (>2 mm/year or >50% joint space narrowing/year) 1 to complete osteolysis of the femoral head.

Described features include 1:

The typical treatment is total hip arthroplasty.

The differential diagnosis includes:

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