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DOI: 10.1590/0004-282X20180040
Ring-shaped lateral ventricular nodules: a “leave me alone” lesion
Nódulos ventriculares laterais em formato de anel: uma lesão “não me toque”A 34-year-old female presented at our facility with headache. The MRI showed ring-shaped lateral ventricular nodules (RSLVNs) ([Figure]).
The RSLVNs are an incidental finding on MRI in patients who undergo neuroimaging mainly for headache.[1] The nature of the RSLVNs is controversial and includes neuroglial/glioependymal cyst, inflammatory or reactive formation of ependyma, astrocytic gliosis reaction near subependymal veins, redetachment of the fused portion of coarctation of the frontal horn or a variant of subependymoma[1],[2]. In the differential diagnosis, the most common pathological entities are subependymal heterotopias, usually found in patients with epilepsy and subependymal nodules in patients with tuberous sclerosis[1].
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Conflict of interest:
There is no conflict of interest to declare.
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References
- 1 Shimono T, Hosono M, Ashikaga R, Kumano S, Imaoka Y, Okada M et al. Ring-shaped lateral ventricular nodules: an incidental finding on brain magnetic resonance imaging. Neuroradiology. 2009;51(3):145-50. https://doi.org/10.1007/s00234-008-0476-5
- 2 Friedman DP. Abnormalities of the deep medullary white matter veins: MR imaging findings. AJR Am J Roentgenol. 1997;168(4):1103-8. https://doi.org/10.2214/ajr.168.4.9124123
Address for correspondence
Publikationsverlauf
Eingereicht: 10. Januar 2018
Angenommen: 07. Februar 2018
Artikel online veröffentlicht:
25. August 2023
© 2023. Academia Brasileira de Neurologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)
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References
- 1 Shimono T, Hosono M, Ashikaga R, Kumano S, Imaoka Y, Okada M et al. Ring-shaped lateral ventricular nodules: an incidental finding on brain magnetic resonance imaging. Neuroradiology. 2009;51(3):145-50. https://doi.org/10.1007/s00234-008-0476-5
- 2 Friedman DP. Abnormalities of the deep medullary white matter veins: MR imaging findings. AJR Am J Roentgenol. 1997;168(4):1103-8. https://doi.org/10.2214/ajr.168.4.9124123