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Book Chapter10.1007/978-3-0348-7772-5_4

Scintimammography with Technetium-99m-Sestamibi: Planar Scanning vs SPECT

Alexander Becherer,T. Helbich,Anton Staudenherz,Th. Leitha-1997-01-01-Birkhäuser Basel eBooks
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TL;DRAbstract

To determine the accuracy of planar scintimammography versus SPECT scintimammography 18 patients with 21 fibroadenomas and 21 patients with 24 breast cancer sites were investigated. The sensitivity and specificity reached 79% and 95% with the planar technique and 96% and 76% with SPECT scintimammography, respectively. Metastatic axillary lymph nodes were found in one of 4 cases in planar scans but in 3 of 4 by SPECT. Whereas 5 of 17 fibroadenomas were false positive in SPECT in patients under 40 years there were no false positives above 40 years. We conclude that particularly in the higher age group SPECT scintimammography is the method with the best diagnostic accuracy.

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To determine the accuracy of planar scintimammography versus SPECT scintimammography 18 patients with 21 fibroadenomas and 21 patients with 24 breast cancer sites were investigated. The sensitivity and specificity reached 79% and 95% with the planar technique and 96% and 76% with SPECT scintimammography, respectively. Metastatic axillary lymph nodes were found in one of 4 cases in planar scans but in 3 of 4 by SPECT. Whereas 5 of 17 fibroadenomas were false positive in SPECT in patients under 40 years there were no false positives above 40 years. We conclude that particularly in the higher age group SPECT scintimammography is the method with the best diagnostic accuracy.

Keywords

ScintimammographyNuclear medicineMedicineTechnetiumSpect imagingFalse positive paradoxBreast cancerRadiology

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