Background: Paracoccidioidomycosis (PCM) is a systemic, progressive, noncontagious, and often chronic disease caused by the fungus Paracoccidioides brasiliensis that rarely affects the central nervous system (CNS). The condition is usually treated using antifungal drugs, and some cases may require surgery.
Case description: A 55-year-old man, a smoker, without known comorbidities, was referred to the neurosurgery team with a history of a single epileptic seizure a week before hospital admission followed by progressive right- sided hemiparesis. Head computed tomography and brain magnetic resonance imaging showed an intra-axial expansive lesion affecting the left parietal lobe, associated with extensive edema and a regional compressive effect producing slight subfalcine herniation that was initially managed as an abscess. After the failure of antibiotic treatment, the patient underwent a neurosurgical procedure for excision of the lesion. Histopathological analysis revealed that it was PCM and there was no evidence of impairment of other systems due to the disease.
Conclusion: PCM can be a serious, debilitating disease and is potentially fatal. Although isolated CNS involvement is rare, it must be considered, especially in endemic areas, as late diagnosis and treatment severely decreases good outcome rates.
Keywords: Central nervous system infections; Neurosurgical procedures; Paracoccidioidomycosis.
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