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Automated quantification of amyloid positron emission tomography: a comparison of PMOD and MIMneuro
Woo Hee Choi1, Yoo Hyun Um2, Won Sang Jung1
1Department of Radiology, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Republic of Korea.
Objective:
The aim of this study was to examine and compare two automated quantitative software tools (PMOD and MIMneuro) for the quantification of amyloid positron emission tomography (PET).
Methods:
A total of 30 subjects-15 Alzheimer's disease (AD) patients and 15 cognitively normal age- and sex-matched controls-were enrolled. All subjects underwent structural volumetric magnetic resonance imaging (MRI) and amyloid PET scans with F-18 florbetaben. Regional standardized uptake value ratios (SUVRs) using the cerebellar cortex as a reference region were obtained using PMOD and MIMneuro.
Results:
The SUVRs using both PMOD and MIMneuro showed high discriminatory power between the AD patients and cognitively normal controls. While PMOD and MIMneuro yielded significantly different SUVRs in some brain regions, the two methods had good overall agreement.
Conclusion:
MIMneuro provides comparable performance to PMOD without the need to acquire brain MRI. Therefore, MIMneuro might be suitable for clinical use to determine amyloid positivity.
