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Author

Johnatan Felipe Ferreira da Conceição

3 papers indexed here

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Open access Oct 2026

Progressive multifocal leukoencephalopathy (PML) in a patient without known immunodeficiency: a case report

Case Presentation: Patient D.M.C.S., female, 68 years old, nursing technician, smoker currently abstinent (10.5 pack-years), former social alcohol user, without known comorbidities, initiated asthenia, apathy, and affective symptoms. After two months, she developed visual and olfactory hallucinations, and one month lat...

Renato Tavares Vieira de Oliveira, L. Frausino, Luís Felipe Araújo Peres et al. · 0 citations
Open access Oct 2026

Spontaneous intracranial hypotension associated with a dural diverticulum: a clinicoradiological correlation

Case Presentation: A 24-year-old woman with no relevant past medical history presented with sudden-onset holocranial headache with a clearly orthostatic pattern, worsening immediately upon standing and improving approximately 2 minutes after lying down. She denied previous trauma, surgery, lumbar puncture, or any other...

Lucas Ladeira de Lucas, Johnatan Felipe Ferreira da Conceição, D. Nassif et al. · 0 citations
Open access Oct 2026

CHRNE-related congenital myasthenic syndrome (CMS 4C): familial phenotype and marked response to salbutamol in myasthenic crisis

Case Presentation: A female patient presented with neonatal hypotonia, initially described as a “floppy infant,” followed by lifelong fluctuating bilateral ptosis. In adulthood, she developed progressive proximal lower limb weakness, particularly when climbing stairs, with worsening after pregnancies, as well as interm...

Pedro Marot da Cunha, Gabrielle Silva Sales, V. Crelier et al. · 0 citations

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