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11 August 2019 : Clinical Research  

Value of Apparent Diffusion Coefficient (ADC) and Dynamic Contrast-Enhanced Magnetic Resonance Imaging (DCE-MRI) in Differentially Diagnosing Angiomatous Meningiomas and Solitary Fibrous Tumors/Hemangiopericytomas

Chen Chen1ABCDEF, Cui-Ping Ren1G*

DOI: 10.12659/MSM.915308

Med Sci Monit 2019; 25:5992-5996

Abstract

BACKGROUND: To determine if ADC and DCE-MRI can be used to differentiate angiomatous meningiomas (AMs) from solitary fibrous tumors/hemangiopericytomas (SFT/HPCs).

MATERIAL AND METHODS: We retrospectively reviewed records of 103 patients from 1 January 1 2014 to 1 November 2018. We enrolled 41 patients who had undergone a 3T MRI, with histologically confirmed AMs in 20 (48.80%) patients, and SFT/HPCs in 21 (51.20%) patients. The ADC and DCE-MRI features were derived and then compared by 2 independent-samples t tests and Wilcoxon rank sum test to obtain the ROC.

RESULTS: AMs had significantly lower ADC values than did SFT/HPCs, but AMs had significantly higher MCER values than did SFT/HPCs. A threshold value of 1.03×10⁻³ mm²/s for ADC to predict AMs from SFT/HPCs was estimated (AUC=0.902, sensitivity=88.20%, specificity=83.30%). Optimal diagnostic performance (AUC=0.825, sensitivity=84.60%, specificity=81.80%) was obtained when setting MCER=226.7% as the threshold value.

CONCLUSIONS: The ADC values of AMs were lower than those of SFT/HPCs; the MCER of AMs were greater than those of SFT/HPCs, and ADC was more useful than MCER, and these parameters could help diagnosis.

Keywords: Diffusion Magnetic Resonance Imaging, Magnetic Resonance Imaging, China, Contrast Media, Diagnosis, Differential, Hemangiopericytoma, Image Enhancement, Meningioma, Middle Aged, Retrospective Studies, Solitary Fibrous Tumors

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750