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Assessing Cortical Cerebral Microinfarcts on High Resolution MR Images

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Published on: November 20, 2015

Microcystic Meningiomas: MRI-Pathologic Correlation.

Karthik Kulanthaivelu¹, Vivek Lanka¹, Chitra Chandran¹

¹Department of Neuroimaging and Interventional Radiology, National Institute of Mental Health and Neurosciences, Bengaluru, India.

Journal of Neuroimaging : Official Journal of the American Society of Neuroimaging

|June 11, 2020

Summary

This summary is machine-generated.

Microcystic meningiomas (MM) exhibit unique imaging features, including marked T2 hyperintensity and diffusion restriction. Radiopathological correlations reveal associations between imaging patterns and microcystic changes, aiding diagnosis.

Keywords:

Diffusion restriction meningiomas microcystic radiopathological correlation

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Area of Science:

Neuroradiology
Pathology
Oncology

Background:

Microcystic meningiomas (MM) are rare, distinct Grade I meningiomas.
Limited radiological descriptions exist for this subtype.
Understanding their imaging phenotypes is crucial for diagnosis.

Purpose of the Study:

Identify unique imaging phenotypes of microcystic meningiomas.
Establish radiopathological correlations for MM.
Improve diagnostic accuracy through imaging analysis.

Main Methods:

Retrospective analysis of histopathologically proven MM.
Recorded clinicodemographic, imaging, and histopathological characteristics.
Performed Spearman rank correlations between radiological and pathological attributes.

Main Results:

Analyzed 28 cases (mean age 45.5 years, M:F=1:1.54).
Key findings: marked T2 hyperintensity, diffusion restriction, severe peritumoral edema, storiform/reticular patterns, T1 hypointensity, absent blooming.
Correlations found between imaging patterns (storiform/reticular) and histopathological features (large cysts, microcystic changes).

Conclusions:

Elucidated varied neuroimaging features of MM.
Highlighted pathological substrates of key imaging findings.
MM should be considered in extra-axial lesions with specific CT, MRI, and DWI characteristics.