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    SubjectsOrthopedicsAvascular Necrosis Femoral Head - Crescent Sign and Double-Line Sign
    ClinicalOrthopedics

    Avascular Necrosis Femoral Head - Crescent Sign and Double-Line Sign

    1 MCQs in Orthopedics for NEET PG

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    A 38-year-old man with systemic lupus erythematosus (SLE) on long-term corticosteroid therapy (prednisolone 25 mg/day for 18 months) presents with progressive groin pain and limited internal rotation of the hip. Plain radiographs appear normal. MRI of the pelvis is obtained, and the structure marked **A** in the diagram is identified. Which of the following best describes the pathological significance of this finding?

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