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Item Concomitant brain abscess and spinal cord abscess in an immunocompetent teenage male: illustrative case(American Association of Neurological Surgeons, 2023-01-23) Virtanen, Piiamaria S.; Jimenez, Med Jimson D.; Horak, V. Jane; Desai, Virendra R.; Manaloor, John J.; Raskin, Jeffrey S.; Neurological Surgery, School of MedicineBackground: Multiple bilateral brain abscesses occur rarely in immunocompetent patients. Hematogenous spread to the central nervous system (CNS) allows suppuration and abscess formation in the privileged immune environment of the CNS; hematogenous spread to the spinal cord is extremely rare and the combination of multifocal brain abscesses and intramedullary abscesses has not been reported. This report presents a rare presentation and diagrams a treatment algorithm involving iterative minimal access surgeries and prolonged medical management. Observations: The authors present a case of an 18-year-old male with numerous multifocal and bilateral intraparenchymal abscesses and a medically resistant C5 intramedullary spinal cord abscess. The symptomatic patient had a left oculomotor palsy and left hemiparesis, ultimately undergoing ultrasound-guided aspiration of abscesses in the left frontal and left cerebral peduncle. Following transient motor improvement, he evolved tetraparesis prompting spinal cord imaging and emergent ultrasound-guided needle aspiration of an occult C5 intramedullary spinal cord abscess. The patient received appropriate medical therapy, completed inpatient rehabilitation, and made a full recovery. Lessons: Needle- and ultrasound-guided catheter drainage of CNS abscesses should be considered for symptomatic lesions. Following the neurological examination closely is extremely important; if the expected neurological improvement is delayed or regresses, then expanded imaging is warranted.Item Giant Actinomyces brain abscess in an immunocompetent child: A management strategy(Scientific Scholar, 2021-07-06) Chicoine, Nicole H.; Griffith-Linsley, Jackson; Goh, Joling; Manaloor, John J.; Raskin, Jeffrey S.; Neurological Surgery, School of MedicineBackground: Intraparenchymal brain abscess is a collection of microbes caused by inoculation through direct extension or hematogenous spread. Although rare, intraparenchymal abscesses are potentially fatal and can be detected when patients are symptomatic due to local mass effect on adjacent neural tissue. Brain abscess treatment includes medical management with appropriate antibiotics alone or medical management in combination with surgical debridement. Treatment strategies depend on the size and location of disease, as well as the virulence of the microorganism. Similar to medical management strategies, surgical strategies among providers are not uniform, with variation in approaches from complete extirpation of the abscess, including the abscess wall, to minimally invasive stereotactic needle aspiration. In particular, for children, there are no guidelines for therapy. Case description: We report a case of giant Actinomycosis right frontal brain abscess in an immunocompetent child without risk factors. A review of the literature for the treatment of brain abscess caused very rarely by Actinomyces in children is performed. Conclusion: Successful treatment of brain access depends on organism and location. The even more uncommon giant intraparenchymal abscesses can be managed with minimal access and prolonged antibiosis, especially when slow-growing organisms are identified. Long-term follow-up should be employed to mitigate missed late failures.