scholarly journals Proton Magnetic Resonance Spectroscopy and Diffusion-Weighted Imaging of Tumefactive Demyelinating Plaque

2009 ◽  
Vol 49 (9) ◽  
pp. 430-433 ◽  
Author(s):  
Kazuki MASU ◽  
Takaaki BEPPU ◽  
Shunrou FUJIWARA ◽  
Hideki KIZAWA ◽  
Hiroshi KASHIMURA ◽  
...  
Keyword(s):  
Magnetic Resonance ◽  
Magnetic Resonance Spectroscopy ◽  
Diffusion Weighted Imaging ◽  
Proton Magnetic Resonance ◽  
Proton Magnetic Resonance Spectroscopy ◽  
Resonance Spectroscopy ◽  
Diffusion Weighted ◽  
And Diffusion

scholarly journals Otogenic brain abscess: management by otologist

2006 ◽  
Vol 120 (10) ◽  
pp. 837-841 ◽  
Author(s):  
R Syal ◽  
H Singh ◽  
K K Duggal
Keyword(s):  
Magnetic Resonance ◽  
Magnetic Resonance Spectroscopy ◽  
Brain Abscess ◽  
Diffusion Weighted Imaging ◽  
Proton Magnetic Resonance ◽  
Proton Magnetic Resonance Spectroscopy ◽  
Resonance Spectroscopy ◽  
Diffusion Weighted ◽  
Computed Tomography Scanning

Introduction: Fifty per cent of brain abscesses in adults and 25 per cent of those in children are otogenic in origin. The current neurosurgical options are to drain the abscess repeatedly through burr holes or to excise it completely with the capsule. We successfully managed 10 cases of brain abscess by draining through the transmastoid route. The technique and its advantages are discussed.Material and methods: The patients underwent surgery at two different institutions. Computed tomography scanning and magnetic resonance imaging were performed, along with diffusion-weighted imaging and in vivo proton magnetic resonance spectroscopy. The abscesses were drained via a transmastoid route.Results: In eight cases, ear disease and brain abscess were treated in a single-stage procedure. In the remaining two cases, residual brain abscess was excised subsequently by our neurosurgical colleagues.Conclusions: Transmastoid drainage of pus can successfully treat mastoid disease and brain abscess in a single surgical intervention. Residual abscess can be subsequently excised, with relatively reduced morbidity. Repeated needling is also avoided with this approach. Diffusion-weighted imaging and proton magnetic resonance spectroscopy are helpful.

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