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Actinomyces causing a brain abscess
Alejandro Perez1, Gaurav Syngal2, Samreen Fathima3
1Department of Internal Medicine, Baylor University Medical Center, Dallas, Texas.
Abstract:
Actinomycosis is an uncommon, chronic granulomatous disease caused by the filamentous, gram-positive bacterium Actinomyces israelii. It causes indolent, painful wound infections commonly presenting with oral-cervicofacial manifestations, but other infections of the chest wall and gastrointestinal and genital tract are also seen. A high level of suspicion is required for diagnosis, as it may be missed or mistaken for malignancy. Severe cases may involve the central nervous system and require surgical intervention. We present a case report of actinomycosis causing a brain abscess.
Insights
Actinomycosis, a rare bacterial infection, can cause serious complications like brain abscesses. Early diagnosis and treatment are crucial for managing this challenging granulomatous disease.
Area of Science:
- Infectious Diseases
- Neurology
- Microbiology
Background:
- Actinomycosis is a chronic granulomatous infection caused by *Actinomyces israelii*.
- It typically presents with oral-cervicofacial, chest wall, gastrointestinal, or genital tract manifestations.
- The disease can be indolent and easily misdiagnosed as malignancy, necessitating a high index of suspicion.
Observation:
- This case report details a rare instance of actinomycosis leading to a brain abscess.
- The patient's presentation and diagnostic journey highlight the challenges in identifying this infection outside its common sites.
- Cerebral involvement underscores the potential severity and systemic impact of *Actinomyces israelii*.
Findings:
- Actinomycosis can manifest as a brain abscess, a severe central nervous system complication.
- Diagnosis requires a high index of suspicion, especially when symptoms deviate from typical presentations.
- Prompt identification and intervention are critical for favorable outcomes in complex actinomycosis cases.
Implications:
- This case expands the known spectrum of actinomycosis presentations.
- It emphasizes the importance of considering infectious etiologies, including actinomycosis, in unexplained neurological deficits.
- Neuroimaging and microbiological confirmation are vital for diagnosing and managing brain abscesses caused by *Actinomyces*.
