Quantitative Evaluation of 2 Scatter-Correction Techniques for ^sup 18^F-FDG Brain PET/MRI in Regard to MR-Based Attenuation Correction

• Published in: The Journal of nuclear medicine (1978) Vol. 58; no. 10; p. 1691
• Main Authors: Teuho, Jarmo, Saunavaara, Virva, Tolvanen, Tuula, Tuokkola, Terhi, Karlsson, Antti, Tuisku, Jouni, Teräs, Mika
• Format: Journal Article
• Language: English
• Published: New York Society of Nuclear Medicine 01.10.2017
• Subjects: Accuracy; Algorithms; Attenuation coefficients; Brain; Brain research; Computed tomography; Computer simulation; Correlation analysis; Image analysis; Image processing; Image segmentation; Magnetic resonance imaging; Monte Carlo simulation; Neuroimaging; Photon scatter; Positron emission; Positron emission tomography; Quantitative analysis; Scattering; Simulation; Tomography
• ISSN: 0161-5505; 1535-5667

In PET, corrections for photon scatter and attenuation are essential for visual and quantitative consistency. MR attenuation correction (MRAC) is generally conducted by image segmentation and assignment of discrete attenuation coefficients, which offer limited accuracy compared with CT attenuation c...