Intracranial Mycotic Aneurysm in a Patient with Abdominal Actinomycosis.

World Neurosurgery
Jiwook Ryu, Kyung Mi Lee

Abstract

Actinomycosis of the central nervous system is extremely rare. A 73-year-old woman with a history of abdominal actinomycosis presented with sudden-onset headache. Magnetic resonance imaging demonstrated a nodular lesion at the left precentral gyrus. A cerebral angiogram confirmed a fusiform aneurysm arising from the precentral branch of the left middle cerebral artery. High-resolution vessel wall imaging revealed circumferential wall enhancement of the aneurysm and multifocal enhancement of the M3 and M4 segments of both middle cerebral arteries. The patient had received a 4-week course of antibiotics, but follow-up angiography demonstrated no shrinkage or resolution of the aneurysm. Trapping combined with revascularization was successfully performed for refractory mycotic aneurysms.

References

Sep 1, 1987·Reviews of Infectious Diseases·R A Smego
Oct 20, 2009·Neurosurgical Review·Andrew F DucruetE Sander Connolly
May 12, 2018·World Neurosurgery·Niveditha RavindraJitender Saini
Dec 18, 2019·Neurosurgical Focus·Christopher C YoungMichael R Levitt

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Actinomycosis

Actinomycosis is a rare, chronic, and slowly progressive granulomatous disease caused by filamentous Gram positive anaerobic bacteria from the Actinomycetaceae family (genus Actinomyces). The disease is characterised by the formation of painful abscesses in the mouth, lungs,breast or gastrointestinal tract. Discover the latest research on actinomycosis here.

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