CC BY-NC-ND 4.0 · Arq Neuropsiquiatr 2021; 79(06): 557-558
DOI: 10.1590/0004-282X-anp-2020-0394
Images in Neurology

Sentinel inflammatory demyelinating lesions preceding primary CNS lymphoma

Lesões inflamatórias desmielinizantes sentinelas precedendo linfoma primário do SNC
1   Hospital Geral de Fortaleza, Serviço de Neurologia, Fortaleza CE, Brazil.
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1   Hospital Geral de Fortaleza, Serviço de Neurologia, Fortaleza CE, Brazil.
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1   Hospital Geral de Fortaleza, Serviço de Neurologia, Fortaleza CE, Brazil.
,
1   Hospital Geral de Fortaleza, Serviço de Neurologia, Fortaleza CE, Brazil.
,
1   Hospital Geral de Fortaleza, Serviço de Neurologia, Fortaleza CE, Brazil.
,
1   Hospital Geral de Fortaleza, Serviço de Neurologia, Fortaleza CE, Brazil.
,
1   Hospital Geral de Fortaleza, Serviço de Neurologia, Fortaleza CE, Brazil.
2   Universidade de Fortaleza, Programa de Pós Graduação em Ciências Médicas, Fortaleza CE, Brazil.
› Author Affiliations

A 29-year-old man presented with acute seizures and visual impairment. Brain magnetic resonance imaging (MRI) showed multiple white matter T2-lesions with incomplete peripheral enhancement ([Figures 1A to 1C]). Considering the hypothesis of acute disseminated encephalomyelitis, intravenous methylprednisolone (IVMP) was administrated with full recovery. Two years later, he presented right-sided weakness. MRI disclosed a new T2-lesion, and spectroscopy suggested a tumefactive inflammatory pattern ([Figures 1D to 1H]). New extensive cerebrospinal fluid (CSF) and blood workup, including aquaporin-4-IgG, was unremarkable. Partial improvement was observed following IVMP. Six months later, after new weakness in the left arm along with a new periventricular lesion ([Figures 1I to 1L]), a brain biopsy was performed. Histopathological analysis revealed primary central nervous system (CNS) lymphoma ([Figure 2])[1],[2],[3].

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Figure 1 Magnetic resonance imaging exams. (A-C): first magnetic resonance imaging performed on March 2016 indicated diffusion restriction on diffusion-weighted image (A), T2 hypersignal (B), and peripheral enhancement on post-contrast T1 sequences (C). D-H: Neuroimaging performed on July 2018 showed a new lesion with peripheral restricted diffusion on diffusion-weighted image (D), T2 hypersignal (E), thick annular enhancement (F), spectroscopy revealed Cho peak increase (G) and minimal relative cerebral blood volume map (rCBV) increase. (H). (I-L): Brain magnetic resonance imaging performed on January 2019 disclosed a new right periventricular lesion with diffusion restriction on diffusion-weighted image (I), mild T2 hyperintensity sequences (J), and homogeneous contrast enhancement (L).
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Figure 2 Histopathological examination showed atypical lymphoid cell proliferation.

Authors’ contributions:

DT: literature review, manuscript and imaging preparation, IS: literature review, manuscript preparation; MSP, GJ, KF and FMM: manuscript supervision and revision.




Publication History

Received: 04 September 2020

Accepted: 25 September 2020

Article published online:
04 July 2023

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