Objective: The otogenic brain abscess remains a serious intracranial complication of otitis media despite advantages in diagnostics and antibiotic treatment during the last decades. We discuss the clinical picture and the possible ways of treatment by the example of two case histories.
Case Histories: Case 1: We report about a 38-year-old man, who was suffering in cholsteatoma since 30 years. The surgical revision was restricted by the patient since this time. The acute symptoms of meningitis were caused by intracranial involvement and cerebellar abscess due to cholesteatoma. After surgical revision we observed a period of clinical improvement. A repeated surgery became necessary because of renewed brain abscess at the cerebellar region five weeks after primary operation. Case 2: A 6-year-old girl was already treated with antibiotics because of subacute mastoiditis since three weeks. She was entering the ENT department because of headache and otorrhoea. During mastoidectomy the bone destruction leads to a cerebellar abscess. The neurological symptoms were regredient immediately after the surgical revision.
Conclusion: Both case histories underline the importance of cerebellar abscess as an intracranial complication of chronic otitis media. The neurologic symptoms and the CT-scan were essential for the exact diagnosis. The following treatment includes the surgical revision of the middle ear, the abscess-drainage as well as the lavage of the cavity with antibiotics.
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http://dx.doi.org/10.1055/s-2006-945093 | DOI Listing |
BMJ Case Rep
December 2024
Department of Otorhinolaryngology, Shri Sathya Sai Medical College and Research Institute, Sri Balaji Vidyapeeth- Deemed to be-University, Pondicherry, India.
Surg Neurol Int
November 2024
Faculty of Dental Medicine and Health Osijek, Josip Juraj Strossmayer University of Osijek, Osijek, Croatia.
Background: Gram-positive opportunistic bacteria of the species are responsible for a large spectrum of infections, such as pneumonia, skin infections, and more widespread conditions, including brain abscesses.
Case Description: A 67-year-old male patient suffered from headache, gait disorder, and vertigo for a week before admission to our department. An enhanced magnetic resonance imaging scan revealed a mediosagittal hyperintense infratentorial lesion with concomitant compression of the fourth ventricle.
BMC Neurol
November 2024
Clinical Research Development Unit, Faculty of Medicine, Imam Reza Hospital, Mashhad University of Medical Sciences, Mashhad, Iran.
Background: Infectious brain abscesses and granulomas, characterized by localized collections of pus or inflammatory tissue within the brain parenchyma, pose significant clinical challenges due to their potentially life-threatening nature and complex management requirements.
Methods: This cross-sectional study investigated patients diagnosed with infectious brain abscesses and granulomas from March 1, 2012, to October 22, 2021, in Mashhad, Iran. Data were collected from adult patients admitted to the two primary referral centers for community-acquired neuroinfections and neuroinflammations.
Neurosurgery
November 2024
Division of Radiology and Nuclear Medicine, Department of Nuclear Medicine, Oslo University Hospital, Oslo, Norway.
Background And Objectives: Bacterial brain abscesses may have long-term clinical consequences, eg, mental fatigue or epilepsy, but long-term structural consequences to the brain remain underexplored. We asked if brain abscesses damage brain activity long term, if the extent of such damage depends on the size of the abscess, and if the abscess capsule, which is often left in place during neurosurgery, remains a site of inflammation, which could explain long-lasting symptoms in patients with brain abscess.
Methods: 2-[18F]-fluoro-2-deoxy-D-glucose positron emission tomography/computed tomography (FDG-PET/CT), electroencephalography, and MRI were performed 2 days to 9 years after neurosurgery for bacterial brain abscess.
Acta Radiol Open
October 2024
Department of Neurosurgery, University of Iowa Hospitals and Clinics, Iowa City, IA, USA.
Cerebellar abscess is a reported complication of chronic suppurative otitis media (CSOM) and is life threatening at times. It usually develops by direct spread of CSOM through the bony erosion in the petrous bone or by thrombophlebitis of the sigmoid sinus. However, an alternative pathway of infection transmission from the petrous bone to the cerebellum through the anatomical bridge of the cranial nerves has possibly not been described before.
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