Magnetic resonance imaging spectrum of spinal meningioma

Clinical Imaging
Yujin YeoEugene Lee

Abstract

To evaluate magnetic resonance (MR) imaging findings of spinal meningioma and to determine the radiological subtypes based on the MR imaging findings and their respective clinical features. Data for 105 patients with surgically treated and histopathologically diagnosed spinal meningiomas at our hospital between May 1, 2003 and May 1, 2017 were evaluated in this study. Two radiologists reviewed the characteristics of spinal meningiomas on MR images and categorized the spinal meningiomas into subtypes based on MR imaging findings. Most spinal meningiomas showed higher signal intensity than that of the spinal cord but lower than that of the subcutaneous fat on T2-weighted images (WI). 56 cases (54%) showed adjacent spinal cord signal changes. Meningiomas could be categorized according to MR imaging findings into type A: dural-based tumors with a homogeneous signal intensity and intense contrast enhancement (81 cases, 77%); type B: round or oval-shaped tumors with an internal hypointense portion on T2-weighted images (18 cases, 17%); type C: en plaque tumors (three cases, 3%); and type D: tumors with unusual findings and a heterogeneous appearance (three cases, 3%). All type C patients showed spinal cord signal changes. Spinal meni...Continue Reading

Citations

Nov 12, 2019·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Ali AghaeifarKlaus Scheffler
Oct 28, 2019·The Analyst·Camilo L M MoraisFrancis L Martin
Oct 3, 2020·Case Reports in Orthopedics·Akira HondaHirotaka Chikuda
Aug 31, 2019·Case Reports in Orthopedics·Sho IshiwataHirotaka Chikuda
Jun 18, 2021·Case Reports in Surgery·Mohammad Nasser AlsadiqAbdulrahman Alenzi

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