Impact of a combination of quantitative indices representing uptake intensity, shape, and asymmetry in DAT SPECT using machine learning: comparison of different volume of interest settings
2019
Background We sought to assess the machine learning-based combined diagnostic accuracy of three types of quantitative indices obtained using
dopamine transporter
single-photon emission computed tomography(DAT SPECT)—specific binding ratio (SBR),
putamen-to-caudate ratio (PCR)/fractal dimension (FD), and asymmetry index (AI)—for parkinsonian syndrome (PS). We also aimed to compare the effect of two different types of volume of interest (VOI) settings from commercially available software packages DaTQUANT (Q) and DaTView (V) on diagnostic accuracy.
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