Brainstem encephalitis. A diagnostic dilemma.

Area of Science:

• Neuroscience
• Neurology
• Immunology

Background:

• Brainstem encephalitis (BE) is a rare, severe central nervous system inflammation with diverse etiologies.
• Existing literature predominantly focuses on infectious causes, with limited data on other entities and outcomes.
• Understanding non-infectious and undiagnosed BE is crucial for effective management.

Observation:

• An 18-year-old male presented with progressive brainstem symptoms.
• Clinical investigations, including CSF analysis, were normal; MRI revealed a medullary lesion.
• Tissue biopsy provided no specific diagnosis, and empirical treatments were ineffective.

Findings:

• The patient experienced a 12-week deterioration despite various treatments.
• Intensive supportive and rehabilitative care initiated slow signs of improvement.
• This case underscores the diagnostic complexities and prolonged recovery in some BE cases.

Implications:

• Highlights the need for broader diagnostic considerations beyond infections in BE.
• Emphasizes the critical role of supportive and rehabilitative care in managing severe, undiagnosed neurological conditions.
• Suggests potential for recovery even in severe, protracted cases of brainstem encephalitis with appropriate care.