Diffusion-weighted magnetic resonance imaging demonstrating intraventricular rupture of a cerebral abscess and subsequent therapeutic response
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Johnathan A Engh1, Arlan Mintz, Amin B Kassam
1Department of Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA 15213, USA.
Background:
The most feared complication of a pyogenic brain abscess is intraventricular rupture. Mortality for this event has been traditionally reported to be approximately 80%. Appreciation of the incidence of IVROBA has likely increased with the dawn of CT and MRI. In selected cases, a patient with IVROBA may demonstrate a functional survival with low morbidity, if therapy is initiated quickly and aggressively.
Case Description:
The authors report the IVROBA in a 49-year-old patient despite appropriate abscess drainage and broad-spectrum intravenous antibiotic administration. Diffusion-weighted MRI was particularly useful in this case for the demonstration of not only the intraventricular rupture but also the subsequent resolution of the inflammatory response within the ventricular system in response to aggressive ventricular drainage and systemic antibiotic therapy.
Conclusion:
Diffusion-weighted MRI can be applicable both to the diagnosis of IVROBA as well as to the response to appropriate surgical therapy. With aggressive treatment, a good outcome is achievable in the setting of IVROBA.
Insights
Intraventricular rupture of a pyogenic brain abscess (IVROBA) is a severe complication. Aggressive treatment, including drainage and antibiotics, combined with diffusion-weighted MRI, can lead to good outcomes.
Area of Science:
- Neurology
- Radiology
- Infectious Diseases
Background:
- Pyogenic brain abscess carries a high mortality risk, especially with intraventricular rupture (IVROBA).
- Historically, IVROBA has had an 80% mortality rate, but improved imaging has increased awareness of its incidence.
- Prompt and aggressive therapy can lead to survival with reduced morbidity in select IVROBA cases.
Observation:
- A case of IVROBA occurred in a 49-year-old patient despite standard treatment.
- Diffusion-weighted MRI was crucial in visualizing the intraventricular rupture and the resolution of inflammation.
- Aggressive ventricular drainage and systemic antibiotics were key components of the treatment.
Findings:
- Diffusion-weighted MRI is effective for diagnosing IVROBA.
- This imaging technique also demonstrates treatment response within the ventricular system.
- Successful management of IVROBA is possible with timely and aggressive interventions.
Implications:
- Diffusion-weighted MRI aids in both diagnosing IVROBA and monitoring therapeutic response.
- Aggressive management strategies can improve outcomes for patients with intraventricular rupture of brain abscess.
- Early diagnosis and intervention are critical for managing this life-threatening complication.
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