Article Figures & Data
Figures
- Fig 1.
A, Unenhanced CT image demonstrates a 2.4 × 3.8-cm hyperattenuated, well-circumscribed, extra-axial mass centered on the right tentorium.
B, Precontrast axial T1-weighted MR image reveals a heterogeneously hyperintense mass with a broad tentorial attachment.
C, Postcontrast coronal T1-weighted image reveals a homogeneously enhancing mass demonstrating a smooth lobular contour, with both infratentorial and supratentorial components.
D, Hyperintense signal intensity on DWI is seen within the medial aspect of the lesion.
- Fig 2.
A, Precontrast axial T1-weighted image reveals a 8.0 × 8.0-cm predominantly hyperintense lobular medial right frontal lobe mass that was large enough to obscure the distinction between an intra-axial or extra-axial mass lesion.
B, Postcontrast axial T1-weighted image demonstrates diffuse heterogeneous enhancement.
C, Axial T2-weighted image with diffuse heterogeneous signal intensity
D, Predominantly hyperintense signal intensity on axial DWI.
Tables
Summary of reported imaging findings
Patient No./Age (y)/Sex Study Location Solitary/Multiple Margins T1 Signal T2 Signal Diffusion Signal Enhancement Evidence of Hemorrhage Cystic Component Distant Mets 1/8/F Pekala et al (this study) Midline posterior fossa dural based, extending into left temporal area Solitary Circ/Lob Hetero Hetero Predom Hyper Intense, diffuse Y N N 2/7/F Pekala et al (this study) Right frontal, possible falcine attachment Solitary Circ/Lob Hyper Hetero Predom Hyper Intense, diffuse Y N Y, left lung base 3/4/M Jay et al6 Midline posterior Solitary fossa, no dural attachment Circ/Lob N/A N/A N/A Intense, diffuse N N Y, spinal drop metastasis 4/5/M Katayma et al8 Left posterior fossa dural based, extending into left temporal area Solitary Circ/Lob Hypo Hypo N/A Intense, diffuse N Y N 5/12/M Dedeurwaerdere et al9 Right frontal dural based Solitary Circ/Lob Iso/Hypo N/A N/A Intense, diffuse N/A N N 6/17/M Dedeurwaerdere et al9 Right frontal dural based Solitary Circ/Lob Iso/Hypo N/A N/A Intense, diffuse N/A N N 7/6/M Antunes et al10 Right frontal dural based Solitary Circ/Lob N/A N/A N/A Intense, diffuse N Y N 8/30/F Papotti et al11 Right frontal dural bsed Two adjacent Circ/Lob N/A N/A N/A N/A N N N Note:—Circ indicates circumscribed; Lob, lobulated; Hetero, heterogeneous; Hyper, hyperintense; Hypo, hypointense; N/A, not available; Predom, predominantly; Y, yes; N, no.
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