• Andre Monteiro, Guilherme Jose Agnoletto, Manuel F Granja, Ester N Bit-Ivan, and Eric Sauvageau.
• Lyerly Neurosurgery/Baptist Health, Baptist Neurological Institute, Jacksonville, Florida, USA. Electronic address: andre.monteiro.md@gmail.com.
• World Neurosurg. 2019 May 1; 125: 217-221.

BackgroundIntracranial vascular infections of fungal etiology are extremely rare. Most cases occur in immunocompromised patients with invasive fungal disease, most commonly originating in the paranasal sinuses or the lungs. Granulomatous invasive rhinosinusitis, which is extremely rare in North America, has been reported to affect immunocompetent patients in most cases, and its causative strain has potential to invade the intracranial arteries. We present a rare case of basilar artery rupture and infarction secondary to granulomatous invasive rhinosinusitis.Case DescriptionA 50-year-old man in Florida presented with ischemic symptoms and a 6-month history of headache, dizziness, and falls. After biopsy, the patient developed subarachnoid hemorrhage and thrombosis. Several thrombectomy attempts were performed, resulting in persistent occlusion of the basilar artery and subsequent comatous state. After discussion with the patient's family, compassionate weaning and autopsy were authorized.ConclusionsInvasive fungal rhinosinusitis is more frequent nowadays owing to increased use of immunosuppressive therapies. However, it is still a disease that mostly affects immunocompromised patients. The development of new microbiologic investigation techniques has enabled the discovery of fungal diseases that can also affect immunocompetent hosts, such as granulomatous invasive rhinosinusitis. This is an extremely rare condition in North America, with very few cases documented in the last few decades.Copyright © 2019 Elsevier Inc. All rights reserved.

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