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Author

P. Sousa-Santos

4 papers indexed here

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Open access Oct 2026

Concomitant Castleman syndrome and secondary progressive multiple sclerosis: a case report

Case Presentation: 42-year-old female patient presented with neurological symptoms at age 20, including sensory changes, motor incoordination, urinary incontinence, and left brachio-crural paresis, leading to a multiple sclerosis (MS) diagnosis. Over the course of the disease, she experienced multiple relapses and seve...

Victor Augusto Souza Santana, Giovana de Azevedo Benedito, Luís Guilherme Fernandes Costa Lima et al. · 0 citations
Open access Oct 2026

The great mimicker: myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) masquerading as a hematologic malignancy

Case Presentation: A 15-year-old previously healthy male presented with acute paraparesis (grade 4/5), an L5-S1 sensory level, and urinary retention, associated with febrile peaks, emerging three weeks after infectious mononucleosis. Initial cerebrospinal fluid (CSF) analysis revealed marked pleocytosis (68 cells/µL) w...

Luís Guilherme Fernandes Costa Lima Lima, Fernando Coronetti Gomes da Rocha, I. Kirsten et al. · 0 citations
Open access Oct 2026

Severe progression of bilateral optic neuritis associated with extensive neuroaxis involvement in an AQP4-seronegative patient: a case report

Case Presentation: A previously healthy 45-year-old female presented in March 2025 with left optic neuritis, partially responsive to methylprednisolone pulse therapy. In August 2025, she developed severe, painless bilateral visual loss (counting fingers) and multifocal neurological signs, including nystagmus, left hemi...

Hérica Dias Brito, Victor Assis Souza, Carlos Hiago Ferreira et al. · 0 citations
Open access Oct 2026

Subacute cerebellar ataxia as the primary manifestation of Sjögren’s syndrome in a young male: a case report

Sjögren’s syndrome is a critical differential diagnosis for subacute cerebellar ataxia in young adults and the necessity of screening for systemic autoantibodies and performing minor salivary gland biopsies in patients with unexplained CNS inflammatory lesions, regardless of glandular symptoms is emphasized.

Hérica Dias Brito, Luís Guilherme Fernandes Costa Lima, Pedro H. C. Sant'Anna et al. · 0 citations

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