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Fig. 2. Examples of femoral head score and hip joint effusion. (A) Normal: round femoral head. (B) Mild: slightly flattened. (C) Moderate: very flattened. (D) Hip effusion (11 mm). White arrow indicates bone capsule distance.
Korean J Pain 2023;36:195~207 https://doi.org/10.3344/kjp.22325
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