Viral encephalitis MRI: 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]]. Sometimes, encephalitis can result from a [[bacteria]]l infection, such as bacterial [[meningitis]], or it may be a complication of other infectious diseases like [[rabies]] (viral) or [[syphilis]] (bacterial). Certain [[parasitic]] or [[protozoa]]l infestations, such as [[toxoplasmosis]], [[malaria]], or [[primary amoebic meningoencephalitis]], can also cause encephalitis in people with [[immune deficiency|compromised]] [[immune system]]s. | '''Encephalitis''' is an [[Acute (medical)|acute]] [[inflammation]] of the [[brain]], commonly caused by a [[virus|viral]] [[infection]]. Sometimes, encephalitis can result from a [[bacteria]]l infection, such as bacterial [[meningitis]], or it may be a complication of other infectious diseases like [[rabies]] (viral) or [[syphilis]] (bacterial). Certain [[parasitic]] or [[protozoa]]l infestations, such as [[toxoplasmosis]], [[malaria]], or [[primary amoebic meningoencephalitis]], can also cause encephalitis in people with [[immune deficiency|compromised]] [[immune system]]s. | ||
== | ==MRI== | ||
===Advantages over CT scan=== | ===Advantages over CT scan=== | ||
* [[Magnetic resonance imaging]] offers better resolution compared to CT scan (higher sensitivity) | * [[Magnetic resonance imaging]] offers better resolution compared to CT scan (higher sensitivity) | ||
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* It presents as areas of increased T2 signal intensity in different lobes of brain (temporal, frontal). | * It presents as areas of increased T2 signal intensity in different lobes of brain (temporal, frontal). | ||
== | ==References== | ||
{{Reflist|2}} | |||
[[Category:Neurological disorders]] | [[Category:Neurological disorders]] | ||
[[Category:Infectious disease]] | [[Category:Infectious disease]] | ||
[[Category:Inflammations]] | [[Category:Inflammations]] | ||
[[Category:Overview complete]] | [[Category:Overview complete]] | ||
{{WikiDoc Help Menu}} | {{WikiDoc Help Menu}} | ||
{{WikiDoc Sources}} | {{WikiDoc Sources}} | ||
Revision as of 20:02, 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. Sometimes, encephalitis can result from a bacterial infection, such as bacterial meningitis, or it may be a complication of other infectious diseases like rabies (viral) or syphilis (bacterial). Certain parasitic or protozoal infestations, such as toxoplasmosis, malaria, or primary amoebic meningoencephalitis, can also cause encephalitis in people with compromised immune systems.
MRI
Advantages over CT scan
- Magnetic resonance imaging offers better resolution compared to CT scan (higher sensitivity)
- It can pick lesions earlier than CT scan
- It can be used in cases where use of contrast is contraindicated.
- It presents as areas of increased T2 signal intensity in different lobes of brain (temporal, frontal).