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Parathyroid scintigraphy using (99m)Tc-MIBI is not currently considered a valuable diagnostic tool for the localization of involved glands in patients with secondary hyperparathyroidism (SHPT). However, published data about its diagnostic accuracy are discordant and a meta-analysis about this topic is still lacking. The aim of our study is to meta-analyze the published data about the diagnostic performance of (99m)Tc-MIBI parathyroid scintigraphy in patients with SHPT. A comprehensive computer literature search of studies published in PubMed/MEDLINE, Scopus and Embase databases through September 2011 and regarding the diagnostic accuracy of (99m)Tc-MIBI parathyroid scintigraphy in patients with SHPT was carried out. Only articles in English language in which at least 10 patients with SHPT underwent planar (99m)Tc-MIBI parathyroid scintigraphy were selected. Pooled sensitivity, pooled specificity and area under the ROC curve on a per lesion-based analysis were calculated to measure the diagnostic accuracy of (99m)Tc-MIBI parathyroid scintigraphy in SHPT patients. Twenty-four studies comprising 471 patients were included in this meta-analysis. The pooled sensitivity and specificity of (99m)Tc-MIBI parathyroid scintigraphy in detecting hyperplastic glands in SHPT patients were 58 % [95 % confidence interval (95 % CI) 52-65 %] and 93 % (95 % CI 85-100 %), respectively, on a per lesion-based analysis. Area under ROC curve was 0.75. In patients with SHPT and diffuse or nodular hyperplasia, planar parathyroid scintigraphy using (99m)Tc-MIBI has demonstrated an inadequate diagnostic accuracy. Therefore, it should not be considered as a first-line diagnostic imaging method in the pre-surgical detection of hyperplastic parathyroid glands.


Carmelo Caldarella, Giorgio Treglia, Alfredo Pontecorvi, Alessandro Giordano. Diagnostic performance of planar scintigraphy using ⁹⁹mTc-MIBI in patients with secondary hyperparathyroidism: a meta-analysis. Annals of nuclear medicine. 2012 Dec;26(10):794-803

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PMID: 22875577

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