Resumo

ZAINI, Siti S. Mohamad et al. Suprasellar pilocytic astrocytoma with leptomeningeal dissemination. S. Afr. J. radiol. (Online) [online]. 2024, vol.28, n.1, pp.1-5. ISSN 2078-6778.  http://dx.doi.org/10.4102/sajr.v28i1.2876.

Leptomeningeal dissemination is a rare manifestation of pilocytic astrocytoma. It may occur with higher-grade tumours like medulloblastoma, ependymoma and high-grade glioma, but is extremely rare with low-grade glioma. There has been a growing number of reported cases documenting leptomeningeal dissemination of pilocytic astrocytoma in the medical literature. CONTRIBUTION: Description of a World Health Organization (WHO) Grade I suprasellar pilocytic astrocytoma with leptomeningeal dissemination in the brain and spinal cord which showed progression of the leptomeningeal nodules without tumour upgrading on long-term follow-up

Palavras-chave : pilocytic astrocytoma; leptomeningeal; suprasellar; low-grade tumour; metastasis.

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