Viral encephalitis other diagnostic studies: Difference between revisions
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{{Encephalitis}} | {{Encephalitis}} | ||
{{CMG}}; '''Associate Editors-In-Chief:''' [[Priyamvada Singh|Priyamvada Singh, MBBS]] [mailto:psingh13579@gmail.com] | {{CMG}}; '''Associate Editors-In-Chief:''' [[Priyamvada Singh|Priyamvada Singh, MBBS]] [mailto:psingh13579@gmail.com] | ||
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'''Encephalitis''' is an [[Acute (medical)|acute]] [[inflammation]] of the [[brain]], commonly caused by a [[virus|viral]] [[infection]]. In patients with herpes simplex encephalitis, electroencephalograph may show sharp waves in one or both of the temporal lobes. | '''Encephalitis''' is an [[Acute (medical)|acute]] [[inflammation]] of the [[brain]], commonly caused by a [[virus|viral]] [[infection]]. In patients with herpes simplex encephalitis, electroencephalograph may show sharp waves in one or both of the temporal lobes. | ||
==Electroencephalograph== | ==Other Diagnostic Studies== | ||
===Electroencephalograph=== | |||
In patients with herpes simplex encephalitis, electroencephalograph may show sharp waves in one or both of the temporal lobes called paroxysmal lateral epileptiform discharges. These waves are present even before changes can be picked by Ct scan or MRI and are positive in majority of cases. However, these are not diagnostic of encephalitis | In patients with herpes simplex encephalitis, electroencephalograph may show sharp waves in one or both of the temporal lobes called paroxysmal lateral epileptiform discharges. These waves are present even before changes can be picked by Ct scan or MRI and are positive in majority of cases. However, these are not diagnostic of encephalitis | ||
==Brain biopsy== | ===Brain biopsy=== | ||
* Highly specific and sensitive. | * Highly specific and sensitive. | ||
* [[Rabies]] - Negri bodies in [[hippocampus]] and [[cerebellum]] | * [[Rabies]] - Negri bodies in [[hippocampus]] and [[cerebellum]] | ||
* Cowdry type A inclusion with hemorrhagic necrosis in the temporal and frontal areas of brain - Herpes simplex virus. | * Cowdry type A inclusion with hemorrhagic necrosis in the temporal and frontal areas of brain - Herpes simplex virus. | ||
==References== | |||
== | {{Reflist|2}} | ||
[[Category:Neurological disorders]] | [[Category:Neurological disorders]] | ||
[[Category:Infectious disease]] | [[Category:Infectious disease]] | ||
Revision as of 20:04, 5 December 2012
Template:Encephalitis Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editors-In-Chief: Priyamvada Singh, MBBS [2]
Overview
Encephalitis is an acute inflammation of the brain, commonly caused by a viral infection. In patients with herpes simplex encephalitis, electroencephalograph may show sharp waves in one or both of the temporal lobes.
Other Diagnostic Studies
Electroencephalograph
In patients with herpes simplex encephalitis, electroencephalograph may show sharp waves in one or both of the temporal lobes called paroxysmal lateral epileptiform discharges. These waves are present even before changes can be picked by Ct scan or MRI and are positive in majority of cases. However, these are not diagnostic of encephalitis
Brain biopsy
- Highly specific and sensitive.
- Rabies - Negri bodies in hippocampus and cerebellum
- Cowdry type A inclusion with hemorrhagic necrosis in the temporal and frontal areas of brain - Herpes simplex virus.