99m锝-甲氧基异丁基异腈SPECT/CT显像对慢性肾病继发甲状旁腺功能亢进甲状旁腺病灶的诊断效能

Chinese Journal of Medical Imaging Technology(2018)

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Abstract
目的 探讨SPECT/CT术前准确定位慢性肾病(CKD)继发性甲状旁腺功能亢进(sHPT)患者甲状旁腺病灶的价值.方法 52例甲状旁腺切除术sHPT患者均于术前2周内接受99m锝-甲氧基异丁基异腈(99Tcm-MIBI)双时相平面显像和延迟相SPECT/CT检查.以病理结果为金标准,计算并比较99Tcm-MIBI平面显像、SPECT、CT和SPECT/CT术前检出甲状旁腺病灶的灵敏度、特异度和准确率.方法 经手术病理证实,52例共检出172个甲状旁腺病灶,其中甲状旁腺瘤(PM)13个、腺瘤样增生(AH)26个、甲状旁腺增生(PH)133个.99Tcm-MIBI平面显像、SPECT、CT、SPECT/CT诊断甲状旁腺病灶的灵敏度分别为55.81%(96/172)、70.35%(121/172)、79.65%(137/172)和81.40%(140/172),特异度分别为92.05%(81/88)、90.91%(80/88)、76.14%(67/88)和93.18% (82/88),准确率分别为68.08% (177/260)、77.31%(201/260)、78.46% (204/260)和85.38% (222/260).SPECT/CT的灵敏度明显高于SPECT(x2=17.053,P<0.001)及99Tcm-MIBI平面显像(x2=44.000,P<0.001),特异度明显高于CT(x2=10.316,P=0.001),准确率高于CT(x2=13.136,P<0.001)、SPECT(x2=14.815,P<0.001)和99Tcm-MIBI平面显像(x2=39.706,P<0.001).结论 SPECT/CT术前定位诊断sHPT患者甲状旁腺病灶的价值明显优于单一99Tcm-MIBI平面显像、SPECT或CT.
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Key words
Kidney failure,chronic,Hyperparathyroidism,99Tcm-sestamibi,Tomography,emission-computed,single-photon
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