Ricebodiesaremultiplesmallloosebodiesthatresemblepolishedgrainsofrice.Theycanbeseeninthesynovialfluidorbursae. 米粒体是多发小的类似于抛光的大米的游离体,存在于滑液或滑囊中。 Pathology病理Thecauseofformationoftheseloosebodieshasbeendebatable.Proposedtheoriessuggestthatitmaybeduetosheddingofinfarctedsynoviumoritmaydevelopindependently,whichthengetsencasedbyfibrin. 这些游离体的形成原因一直存在争议。现有理论认为,这可能是由于滑膜梗死脱落或者独立发生,然后由较薄的纤维层包绕的胶原核组成。 Theymaybeseenin:可见于以下疾病: arthritis关节炎 tuberculousarthritis结核性关节炎 otherinfectiousarthritis其它感染性关节炎 rheumatoidarthritis类风湿性关节炎 chronicsynovitis慢性滑膜炎 chronicbursitis慢性滑囊炎 MRIT1:iso-hypointenseT1等-低信号 T2:hypointenseT2低信号 Differentialdiagnosis鉴别诊断synovialchondromatosis滑膜软骨瘤病 highT2signal(whennon-mineralised)T2高信号(未钙化时) Seealso也可见于intraarticularloosebodies关节内游离体 以上部分摘自:偏方制白癜风北京白癜风的权威专家
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