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  • Title: Detection of vertebral metastases: a meta-analysis comparing MRI, CT, PET, BS and BS with SPECT.
    Author: Liu T, Wang S, Liu H, Meng B, Zhou F, He F, Shi X, Yang H.
    Journal: J Cancer Res Clin Oncol; 2017 Mar; 143(3):457-465. PubMed ID: 27752772.
    Abstract:
    OBJECTIVE: To perform a meta-analysis to compare the diagnostic value of magnetic resonance imaging (MRI), computed tomography (CT), positron emission tomography (PET), bone scintigraphy (BS) and BS with single-photon emission computed tomography (SPECT) in detecting vertebral metastases. METHODS: Relevant original articles published from January 1995 to December 2015 were searched. Two reviewers independently extracted data. Software called "META-DiSc" was used to obtain pooled estimates of sensitivity, specificity, diagnostic odds ratio (DOR) and summary receiver operating characteristic (SROC) curves. RESULTS: Twenty-three articles consisting of 33 studies fulfilled all inclusion criteria. On per-patient basis, for sensitivity, MRI = PET = SPECT > CT = BS ("=" indicated no significant difference, P > 0.05; ">" indicated significantly higher, P < 0.05). For specificity, MRI = CT = BS > SPECT > PET. For DOR, MRI > SPECT > BS > CT = PET. SROC curves for SPECT and MRI showed better diagnostic accuracy than others. On per-lesion basis, for sensitivity, PET = SPECT = MRI > BS > CT. For specificity, MRI = CT > PET = SPECT = BS. For DOR, MRI > SPECT > CT = PET > BS. SROC curves showed MRI had the best while CT had the lowest diagnostic accuracy. CONCLUSION: For diagnosis of vertebral metastases, MRI was found to be the best modality and also better than other techniques on both per-patient and per-lesion basis.
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