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Non-neoplastic space-occupying lesions mimicking central nervous system tumors

G.J. Arismendi-Morillo, M.C. Fernández-Abreu, D.P. Cardozo-Sosa, J.J. Cardozo [REV NEUROL 2004;38:427-430] PMID: 15029519 DOI: https://doi.org/10.33588/rn.3805.2003606

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Volumen 38 | Number 05 | Nº of views of the article 35.036 | Nº of PDF downloads 1.059 | Article publication date 01/03/2004

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ABSTRACT

OBJECTIVE. To establish the frequency and nature of space-occupying lesions of the central nervous system (CNS) that mimic neoplastic growths.

PATIENTS AND METHODS We reviewed the clinical records, imaging and neuropathological studies of patients operated in different hospitals of Maracaibo, Venezuela during the period January 1 1996-July 31 2002. These patients had a pre-operative diagnosis of CNS tumor, and their definitive diagnosis was non-neoplastic disease.

RESULTS The 33 cases of expansive, non-neoplastic growths represented 8% of 408 CNS lesions diagnosed during the study period. Approximately two thirds of the cases (63,36%) consisted of either inflammatory or vascular lesions, whereas the rest of the cases grouped miscellaneous conditions.

CONCLUSIONS Even though it is not frequent that non-neoplastic lesions of the CNS mimic expansive growths of neoplastic nature, on occasions the clinical and neuroimaging features of both groups of entities are remarkably similar. KeywordsCentral nervous system Infection Neoplasm Vascular malformation CategoriesCáncer y tumores Infecciones Patología vascular

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Original

Non-neoplastic space-occupying lesions mimicking central nervous system tumors