ArticleThe neuroradiology journal2018
Two cases of primary leptomeningeal melanomatosis mimicking subacute meningitis.
Article in The neuroradiology journal, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 16 citations in OpenAlex.
- Primary amelanotic leptomeningeal melanocytosis mimicking subarachnoid hemorrhage: a case report of the deceptive masquerader.Frontiers in oncology · 2026Article
- Article
- Review
- Primary diffuse leptomeningeal melanomatosis: A case report of an unusual presentation in a pediatric patient.Surgical neurology international · 2024Article
- Diagnostic challenge: primary leptomeningeal melanoma with melanomatosis, illustrative case report.Journal of surgical case reports · 2023Article
- Novel Insights into Diagnosis, Biology and Treatment of Primary Diffuse Leptomeningeal Melanomatosis.Journal of personalized medicine · 2021Article
- Primary diffuse meningeal melanomatosis - a rare form of meningeal melanoma: case report.BMC neurology · 2019Article
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Authors and funding
10 authors at 1 institution in 1 country.
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Abstract
Primary involvement of leptomeninges with melanocytic tumours is rarely seen and its diagnosis is challenging. Here we summarise two cases of primary leptomeningeal melanomatosis presenting as subacute meningitis. Both cases have pleocytosis and high protein on cerebrospinal fluid analysis, and demonstrated atypical cells on cytology. On magnetic resonance imaging, there is diffuse leptomeningal thickening and avid enhancement of intracranial and intraspinal leptomeninges. One of them demonstrates T1 shortening due to magnetic effects of melanin, the other case is amelanotic and shows hypointensity on precontrast T1-weighted images. Both cases can be diagnosed with biopsy. In conclusion, these cases highlight the importance of the correct interpretation of cytological and magnetic resonance imaging findings in patients with atypical findings.
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