Medical MCQ-A 7 year old boy presents to the OPD with a painless limp. On examination, you observe that abduction and internal rotation of left hip are restricted. While attempting to flex the hip, the knee goes toward axilla. What is your probable diagnosis?

A 7 year old boy presents to the OPD with a painless limp. On examination, you observe that abduction and internal rotation of left hip are restricted. While attempting to flex the hip, the knee goes toward axilla. What is your probable diagnosis?

Septic ahritis of hip

Tuberculosis ahritis of hip

Cong dislocation of hip

Pehes disease

Question Category:

Orthopaedics

Correct Answer:

Pehes disease

Description:

Pehes disease: Male > Female 4-8 years of age, self limiting/resolving Bilateral in 10-12 % of the cases Lateral subluxation of the femoral head Speckled calcification lateral to the capital epiphysis Gage sign-a radiolucent 'V' shaped defect in the lateral epiphysis and adjacent metaphysis Sagging Rope Sign--metaphyseal sclerotic band painless limp is the key point for the diagnosis. Examination findings: extremes of all movements are diminished. When the hip is flexed it may go into obligatory external rotation (Catterall's sign) and knee points towards axilla. (Normally goes towards mid-clavicular region)

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