在成人中钆对比度增强不增加增量值，是用于评价骨髓水肿的敏感序列。本研究旨在确定磁共振成像（MRI）对比评估在儿童骶髂关节炎的必要性。结果显示51例患者的平均年龄为15岁，57%为男性。十九例（22个关节）在被诊断为骶髂关节炎的基础上进行了增强成像。实验表明：流体敏感序列对骶髂关节炎急性炎症病变的敏感性、特异性、阳性预测值及阴性预测值均表现优秀。因此，该研究认为流体敏感序列足以检测儿童炎症性骶髂关节炎的急性和慢性病变。
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DetectionofInflammatorySacroiliitisinChildrenWithMagneticResonanceImaging
IsGadoliniumContrastEnhancementNecessary?
Objective.Inadults,gadoliniumcontrastenhancementdoesnotaddincrementalvaluetofluid-sensitivesequencesforevaluationofbonemarrowedema.Thisstudywasundertakentodetermineifmagneticresonanceimaging(MRI)contrastisnecessarytoassesslesionsconsistentwithinflammatorysacroiliitisinchildren.
Methods.Patientswithclinicallysuspectedordiagnosedjuvenilespondyloarthritis(SpA)underwentpelvicMRIconsistingofmultiplanarfluid-sensitiveandpostgadoliniumT1-weightedfat-saturatedsequencesincludingdedicatedsacralimaging.Threeradiologistsindependentlyevaluatedthefluid-sensitivesequences,andlater,the白癜风专科医院白癜风怎么能治好