Meningoencephalitis: Difference between revisions
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==Overview== | ==Overview== | ||
'''Meningoencephalitis''' is a [[medical condition]] that simultaneously resembles both [[meningitis]], which is an [[infection]] or [[inflammation]] of the [[meninges]], and [[encephalitis]], which is an infection or inflammation of the [[brain]]. There are many causative organisms, including both [[virus|viral]] and [[bacteria|bacterial]] [[pathogen]]s and [[parasitic]] microbes, which can give rise to meningoencephalitis along with other causative agents (such as certain antibodies). The disease is associated with high rates of [[death|mortality]] and severe [[morbidity]]. | '''Meningoencephalitis''' is a [[medical condition]] that simultaneously resembles both [[meningitis]], which is an [[infection]] or [[inflammation]] of the [[meninges]], and [[encephalitis]], which is an infection or inflammation of the [[brain]]. There are many causative organisms, including both [[virus|viral]] and [[bacteria|bacterial]] [[pathogen]]s and [[parasitic]] microbes, which can give rise to meningoencephalitis along with other causative agents (such as certain antibodies). The disease is associated with high rates of [[death|mortality]] and severe [[morbidity]]. | ||
== Mucormycosis meningoencephalitis == | ==Pathophysiology== | ||
===Microscopic Pathology=== | |||
'''Mucormycosis meningoencephalitis''' | |||
{{#ev:youtube|un6CqeDPuH0}} | |||
==Causes== | |||
Causative organisms include [[protozoan]]s, [[virus|viral]] and [[bacteria]]l [[pathogen]]s. | |||
===Common Causes=== | |||
{{columns-list|2| | |||
*[[Acanthamoeba]] | |||
*[[Actinomycosis]] | |||
*[[Angiostrongyliasis]] | |||
*[[Arboviral encephalitis]] | |||
*[[Bacteroides]] | |||
*[[Balamuthia mandrillaris]] | |||
*[[Bartonella infections ]] | |||
*[[Bartonellosis]] | |||
*[[Campylobacter fetus]] | |||
*[[Capnocytophaga canimorsus]] | |||
*[[Cercopithecine herpesvirus 1]] | |||
*[[Chagas disease ]] | |||
*[[Chandipura virus]] | |||
*[[Colorado tick fever]] | |||
*[[Cryptococcosis ]] | |||
*[[Eastern equine encephalitis]] | |||
*[[Ehrlichiosis ]] | |||
*[[Elizabethkingia meningoseptica]] | |||
*[[Enterobacter sakazakii]] | |||
*[[Enterovirus 71]] | |||
*[[Enterovirus antenatal infection]] | |||
*[[Enterovirus]] | |||
*[[Epstein-barr virus]] | |||
*[[Escherichia coli]] | |||
*[[Haemophilus influenzae]] | |||
*[[Herpes simplex virus]] | |||
*[[Hiv]] | |||
*[[Human monocytotropic ehrlichiosis]] | |||
*[[Japanese encephalitis]] | |||
*[[Jc virus]] | |||
*[[Klebsiella sp]] | |||
*[[Kumlinge virus encephalitis]] | |||
*[[Kunjin virus]] | |||
*[[Leptospirosis]] | |||
*[[Listeria monocytogenes]] | |||
*[[Louping ill]] | |||
*[[Lyme disease]] | |||
*[[Lymphocytic choriomeningitis]] | |||
*[[Measles]] | |||
*[[Mumps]] | |||
*[[Murray valley encephalitis virus]] | |||
*[[Mycobacterium avium-intracellulare]] | |||
*[[Mycoplasma pneumoniae]] | |||
*[[Naegleria fowleri]] | |||
*[[Neisseria meningitidis]] | |||
*[[Nipah virus]] | |||
*[[Pneumococcus]] | |||
*[[Pontiac fever]] | |||
*[[Powassan encephalitis virus]] | |||
*[[Pseudomonas aeruginosa]] | |||
*[[Queensland tick typhus]] | |||
*[[Rabies]] | |||
*[[Rickettsia prowazekii]] | |||
*[[Rift valley fever]] | |||
*[[Rubella congenital syndrome ]] | |||
*[[Salmonella typhi]] | |||
*[[Sappinia diploidea]] | |||
*[[Schistosoma japonicum]] | |||
*[[Secondary syphilis]] | |||
*[[St louis encephalitis]] | |||
*[[Staphylococcus aureus]] | |||
*[[Streptococcus group b]] | |||
*[[Streptococcus pneumoniae]] | |||
*[[Streptococcus suis]] | |||
*[[Syphilis]] | |||
*[[Tick-borne encephalitis]] | |||
*[[Tick-borne meningoencephalitis]] | |||
*[[Toxoplasma gondii ]] | |||
*[[Toxoplasmosis ]] | |||
*[[Trypanosoma brucei]] | |||
*[[Trypanosomiasis ]] | |||
*[[Tuberculosis]] | |||
*[[Varicella-zoster virus]] | |||
*[[Venezuelan equine encephalitis]] | |||
*[[West african trypanosomiasis ]] | |||
*[[West nile virus]] | |||
*[[Western equine encephalitis]] | |||
*[[Yersinia pestis]] | |||
}} | |||
===Causes by Organ System=== | |||
{|style="width:80%; height:100px" border="1" | |||
|style="height:100px"; style="width:25%" border="1" bgcolor="LightSteelBlue" |'''Cardiovascular''' | |||
|style="height:100px"; style="width:75%" border="1" bgcolor="Beige" | [[Kawasaki disease]] | |||
|- | |||
|bgcolor="LightSteelBlue"| '''Chemical/Poisoning''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Dental''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Dermatologic''' | |||
|bgcolor="Beige"| [[Behcet disease]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Drug Side Effect''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Ear Nose Throat''' | |||
|bgcolor="Beige"| [[Cholesteatoma]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Endocrine''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Environmental''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Gastroenterologic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Genetic''' | |||
|bgcolor="Beige"| [[Familial histiocytic reticulosis]], [[Hemophagocytic reticulosis ]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Hematologic''' | |||
|bgcolor="Beige"| [[Amyloid beta peptide protein antibodies]], [[Biotinidase deficiency ]], [[Familial histiocytic reticulosis]], [[Granulomatous meningoencephalitis]], [[Hemophagocytic reticulosis ]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Iatrogenic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Infectious Disease''' | |||
|bgcolor="Beige"| [[Acanthamoeba]], [[Actinomycosis]], [[Angiostrongyliasis]], [[Arboviral encephalitis]], [[Bacteroides]], [[Balamuthia mandrillaris]], [[Bartonella infections ]], [[Bartonellosis]], [[Campylobacter fetus]], [[Capnocytophaga canimorsus]], [[Cercopithecine herpesvirus 1]], [[Chagas disease ]], [[Chandipura virus]], [[Colorado tick fever]], [[Cryptococcosis ]], [[Eastern equine encephalitis]], [[Ehrlichiosis ]], [[Elizabethkingia meningoseptica]], [[Enterobacter sakazakii]], [[Enterovirus 71]], [[Enterovirus antenatal infection]], [[Enterovirus]], [[Epstein-barr virus]], [[Escherichia coli]], [[Haemophilus influenzae]], [[Herpes simplex virus]], [[Hiv]], [[Human monocytotropic ehrlichiosis]], [[Japanese encephalitis]], [[Jc virus]], [[Klebsiella sp]], [[Kumlinge virus encephalitis]], [[Kunjin virus]], [[Leptospirosis]], [[Listeria monocytogenes]], [[Louping ill]], [[Lyme disease]], [[Lymphocytic choriomeningitis]], [[Measles]], [[Mumps]], [[Murray valley encephalitis virus]], [[Mycobacterium avium-intracellulare]], [[Mycoplasma pneumoniae]], [[Naegleria fowleri]], [[Neisseria meningitidis]], [[Nipah virus]], [[Pneumococcus]], [[Pontiac fever]], [[Powassan encephalitis virus]], [[Pseudomonas aeruginosa]], [[Queensland tick typhus]], [[Rabies]], [[Rickettsia prowazekii]], [[Rift valley fever]], [[Rubella congenital syndrome ]], [[Salmonella typhi]], [[Sappinia diploidea]], [[Schistosoma japonicum]], [[Secondary syphilis]], [[St louis encephalitis]], [[Staphylococcus aureus]], [[Streptococcus group b]], [[Streptococcus pneumoniae]], [[Streptococcus suis]], [[Syphilis]], [[Tick-borne encephalitis]], [[Tick-borne meningoencephalitis]], [[Toxoplasma gondii ]], [[Toxoplasmosis ]], [[Trypanosoma brucei]], [[Trypanosomiasis ]], [[Tuberculosis]], [[Varicella-zoster virus]], [[Venezuelan equine encephalitis]], [[West african trypanosomiasis ]], [[West nile virus]], [[Western equine encephalitis]], [[Yersinia pestis]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Musculoskeletal/Orthopedic''' | |||
|bgcolor="Beige"| [[Skull fracture]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Neurologic''' | |||
|bgcolor="Beige"| [[Arboviral encephalitis]], [[Aseptic meningitis]], [[Eastern equine encephalitis]], [[Japanese encephalitis]], [[Kumlinge virus encephalitis]], [[Murray valley encephalitis virus]], [[Neisseria meningitidis]], [[Powassan encephalitis virus]], [[Smith disease ]], [[St louis encephalitis]], [[Tick-borne encephalitis]], [[Tick-borne meningoencephalitis]], [[Venezuelan equine encephalitis]], [[Western equine encephalitis]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Nutritional/Metabolic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Obstetric/Gynecologic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Oncologic''' | |||
|bgcolor="Beige"| [[Granulomatous meningoencephalitis]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Ophthalmologic''' | |||
|bgcolor="Beige"| [[Lymphocytic choriomeningitis]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Overdose/Toxicity''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Psychiatric''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Pulmonary''' | |||
|bgcolor="Beige"| [[Tuberculosis]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Renal/Electrolyte''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Rheumatology/Immunology/Allergy''' | |||
|bgcolor="Beige"| [[Behcet disease]], [[Kawasaki disease]], [[Systemic lupus erythematosus]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Sexual''' | |||
|bgcolor="Beige"| [[Hiv]], [[Secondary syphilis]], [[Syphilis]] | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Trauma''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Urologic''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|-bgcolor="LightSteelBlue" | |||
| '''Miscellaneous''' | |||
|bgcolor="Beige"| No underlying causes | |||
|- | |||
|} | |||
===Causes in Alphabetical Order=== | |||
{{columns-list| | |||
*[[Acanthamoeba]] | |||
*[[Actinomycosis]] | |||
*[[Amyloid beta peptide protein antibodies]] | |||
*[[Angiostrongyliasis]] | |||
*[[Arboviral encephalitis]] | |||
*[[Aseptic meningitis]] | |||
*[[Bacteroides]] | |||
*[[Balamuthia mandrillaris]] | |||
*[[Bartonella infections ]] | |||
*[[Bartonellosis]] | |||
*[[Behcet disease]] | |||
*[[Biotinidase deficiency ]] | |||
*[[Campylobacter fetus]] | |||
*[[Capnocytophaga canimorsus]] | |||
*[[Cercopithecine herpesvirus 1]] | |||
*[[Chagas disease ]] | |||
*[[Chandipura virus]] | |||
*[[Cholesteatoma]] | |||
*[[Colorado tick fever]] | |||
*[[Cryptococcosis ]] | |||
*[[Eastern equine encephalitis]] | |||
*[[Ehrlichiosis ]] | |||
*[[Elizabethkingia meningoseptica]] | |||
*[[Enterobacter sakazakii]] | |||
*[[Enterovirus]] | |||
*[[Enterovirus 71]] | |||
*[[Enterovirus antenatal infection]] | |||
*[[Epstein-barr virus]] | |||
*[[Escherichia coli]] | |||
*[[Familial histiocytic reticulosis]] | |||
*[[Granulomatous meningoencephalitis]] | |||
*[[Haemophilus influenzae]] | |||
*[[Hemophagocytic reticulosis ]] | |||
*[[Herpes simplex virus]] | |||
*[[Hiv]] | |||
*[[Human monocytotropic ehrlichiosis]] | |||
*[[Japanese encephalitis]] | |||
*[[Jc virus]] | |||
*[[Kawasaki disease]] | |||
*[[Klebsiella sp]] | |||
*[[Kumlinge virus encephalitis]] | |||
*[[Kunjin virus]] | |||
*[[Leptospirosis]] | |||
*[[Listeria monocytogenes]] | |||
*[[Louping ill]] | |||
*[[Lyme disease]] | |||
*[[Lymphocytic choriomeningitis]] | |||
*[[Measles]] | |||
*[[Mumps]] | |||
*[[Murray valley encephalitis virus]] | |||
*[[Mycobacterium avium-intracellulare]] | |||
*[[Mycoplasma pneumoniae]] | |||
*[[Naegleria fowleri]] | |||
*[[Neisseria meningitidis]] | |||
*[[Nipah virus]] | |||
*[[Pneumococcus]] | |||
*[[Pontiac fever]] | |||
*[[Powassan encephalitis virus]] | |||
*[[Pseudomonas aeruginosa]] | |||
*[[Queensland tick typhus]] | |||
*[[Rabies]] | |||
*[[Rickettsia prowazekii]] | |||
*[[Rift valley fever]] | |||
*[[Rubella congenital syndrome ]] | |||
*[[Salmonella typhi]] | |||
*[[Sappinia diploidea]] | |||
*[[Schistosoma japonicum]] | |||
*[[Secondary syphilis]] | |||
*[[Skull fracture]] | |||
*[[Smith disease ]] | |||
*[[St louis encephalitis]] | |||
*[[Staphylococcus aureus]] | |||
*[[Streptococcus group b]] | |||
*[[Streptococcus pneumoniae]] | |||
*[[Streptococcus suis]] | |||
*[[Syphilis]] | |||
*[[Systemic lupus erythematosus]] | |||
*[[Tick-borne encephalitis]] | |||
*[[Tick-borne meningoencephalitis]] | |||
*[[Toxoplasma gondii ]] | |||
*[[Toxoplasmosis ]] | |||
*[[Trypanosoma brucei]] | |||
*[[Trypanosomiasis ]] | |||
*[[Tuberculosis]] | |||
*[[Varicella-zoster virus]] | |||
*[[Venezuelan equine encephalitis]] | |||
*[[West african trypanosomiasis ]] | |||
*[[West nile virus]] | |||
*[[Western equine encephalitis]] | |||
*[[Yersinia pestis]] | |||
}} | |||
===Bacterial=== | |||
*''[[Listeria monocytogenes]]'' | |||
*''[[Neisseria meningitidis]]'' | |||
*''[[Rickettsia prowazekii]]'' | |||
{{ | ===Viral=== | ||
*[[Tick-borne meningoencephalitis]] | |||
*[[West Nile virus]] | |||
* [[Herpes Simplex]] Virus Type I. Being the primary infection than when recurrent, goes to [[encephalitis]]. | |||
*Mumps, a relatively common cause of meningoencephalitis. However, most cases are mild, and mumps meningoencephalitis generally does not result in death or neurologic [[sequalae]].<ref>{{cite journal |author=Bruyn HB, Sexton HM, Brainerd HD |title=Mumps meningoencephalitis; a clinical review of 119 cases with one death |journal=Calif Med |volume=86 |issue=3 |pages=153–60 |year=1957 |month=March |pmid=13404512 |pmc=1512024 }}</ref> | |||
*[[HIV]], a very small number of individuals exhibit meningoencephalitis at the [[Acute HIV infection|primary stage]] of infection.<ref>{{cite journal | last1 = Newton | first1 = PJ | last2 = Newsholme | first2 = W | last3 = Brink | first3 = NS | last4 = Manji | first4 = H | last5 = Williams | first5 = IG | last6 = Miller | first6 = RF | title = Acute meningoencephalitis and meningitis due to primary HIV infection | journal = BMJ (Clinical research ed.) | volume = 325 | issue = 7374 | pages = 1225–7 | year = 2002 | pmid = 12446542 | pmc = 1124692}}</ref><ref>{{cite journal | last1=Del Saz | first1=SV | last2=Sued | first2=O | last3=Falcó | first3=V | last4=Agüero | first4=F | last5=Crespo | first5=M | last6=Pumarola | first6=T | last7=Curran | first7=A | last8=Gatell | first8=JM | last9=Pahissa | first9=A | title=Acute meningoencephalitis due to human immunodeficiency virus type 1 infection in 13 patients: clinical description and follow-up | journal=Journal of neurovirology | volume=14 | issue=6 | pages=474–9 | year=2008 | pmid=19037815 | doi=10.1080/13550280802195367}}</ref> | |||
===Other/multiple=== | |||
*[[Granulomatous meningoencephalitis]] | |||
* Other causes include [[antibodies]] targeting [[amyloid beta]] [[peptide]] [[protein]]s which have been used during research on [[Alzheimer's disease]].<ref>{{cite journal |doi=10.1212/01.WNL.0000073623.84147.A8 |author=Orgogozo JM, Gilman S, Dartigues JF, ''et al.''|title=Subacute meningoencephalitis in a subset of patients with AD after Aß42 immunization |journal=Neurology |volume=61 |issue=1 |pages=46–54 |date=2003-07-08 |url=http://www.neurology.org/cgi/content/abstract/61/1/46?ck=nck |accessdate=2008-05-01 |pmid=12847155 }}</ref> | |||
* The fungus, [[Cryptococcus neoformans]], can be symptomatically manifested within the [[Central nervous system|CNS]] as meningoencephalitis with [[hydrocephalus]] being a very characteristic finding due to the unique thick [[polysaccharide]] capsule of the organism. | |||
===Protozoal=== | |||
*[[Primary amoebic meningoencephalitis]] e.g., ''[[Naegleria fowleri]]'', ''[[Balamuthia mandrillaris]]'', ''[[Sappinia diploidea]]''. | |||
*''[[Trypanosoma brucei]]'' | |||
*''[[Toxoplasma gondii]]'' ([[sporozoa]]) (''immunocompromised patients'') | |||
Ameobic pathogens exist as free-living protozoans. Nevertheless, these pathogens cause rare and uncommon CNS infections. N. fowleri produces primary amebic meningoencephalitis (PAM). The symptoms of PAM are indistinguishable from acute bacterial meningitis. Other amebae cause granulomatous amebic encephalitis (GAE), which is a more subacute and can even a non-symptomatic chronic infection. Ameobic meningoencephalitis can mimic a brain abscess, aseptic or chronic meningitis, or CNS malignancy.<ref>{{EMedicine|article|996227|Amebic Meningoencephalitis}}</ref> | |||
==Prognosis== | |||
The disease is associated with high rates of [[death|mortality]] and severe [[morbidity]]. | |||
==Related Chapters== | ==Related Chapters== | ||
Line 28: | Line 337: | ||
*[[Tick-borne meningoencephalitis]] | *[[Tick-borne meningoencephalitis]] | ||
*[[West Nile virus]] | *[[West Nile virus]] | ||
*[[Meningitis]] | |||
*[[Meningism]] | |||
*[[Primary amoebic meningoencephalitis]] | |||
*[[Encephalitis]] | |||
==References== | |||
{{reflist|2}} | |||
[[Category:Disease]] | |||
[[Category:Needs content]] | [[Category:Needs content]] | ||
[[ca:Meningoencefalitis]] | [[ca:Meningoencefalitis]] | ||
[[es:Meningoencefalitis]] | [[es:Meningoencefalitis]] | ||
[[Category:Neurology]] | |||
{{WikiDoc Help Menu}} | {{WikiDoc Help Menu}} | ||
{{WikiDoc Sources}} | {{WikiDoc Sources}} |
Latest revision as of 21:55, 10 January 2020
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Please help WikiDoc by adding more content here. It's easy! Click here to learn about editing.
Overview
Meningoencephalitis is a medical condition that simultaneously resembles both meningitis, which is an infection or inflammation of the meninges, and encephalitis, which is an infection or inflammation of the brain. There are many causative organisms, including both viral and bacterial pathogens and parasitic microbes, which can give rise to meningoencephalitis along with other causative agents (such as certain antibodies). The disease is associated with high rates of mortality and severe morbidity.
Pathophysiology
Microscopic Pathology
Mucormycosis meningoencephalitis {{#ev:youtube|un6CqeDPuH0}}
Causes
Causative organisms include protozoans, viral and bacterial pathogens.
Common Causes
Causes by Organ System
Causes in Alphabetical Order
- Acanthamoeba
- Actinomycosis
- Amyloid beta peptide protein antibodies
- Angiostrongyliasis
- Arboviral encephalitis
- Aseptic meningitis
- Bacteroides
- Balamuthia mandrillaris
- Bartonella infections
- Bartonellosis
- Behcet disease
- Biotinidase deficiency
- Campylobacter fetus
- Capnocytophaga canimorsus
- Cercopithecine herpesvirus 1
- Chagas disease
- Chandipura virus
- Cholesteatoma
- Colorado tick fever
- Cryptococcosis
- Eastern equine encephalitis
- Ehrlichiosis
- Elizabethkingia meningoseptica
- Enterobacter sakazakii
- Enterovirus
- Enterovirus 71
- Enterovirus antenatal infection
- Epstein-barr virus
- Escherichia coli
- Familial histiocytic reticulosis
- Granulomatous meningoencephalitis
- Haemophilus influenzae
- Hemophagocytic reticulosis
- Herpes simplex virus
- Hiv
- Human monocytotropic ehrlichiosis
- Japanese encephalitis
- Jc virus
- Kawasaki disease
- Klebsiella sp
- Kumlinge virus encephalitis
- Kunjin virus
- Leptospirosis
- Listeria monocytogenes
- Louping ill
- Lyme disease
- Lymphocytic choriomeningitis
- Measles
- Mumps
- Murray valley encephalitis virus
- Mycobacterium avium-intracellulare
- Mycoplasma pneumoniae
- Naegleria fowleri
- Neisseria meningitidis
- Nipah virus
- Pneumococcus
- Pontiac fever
- Powassan encephalitis virus
- Pseudomonas aeruginosa
- Queensland tick typhus
- Rabies
- Rickettsia prowazekii
- Rift valley fever
- Rubella congenital syndrome
- Salmonella typhi
- Sappinia diploidea
- Schistosoma japonicum
- Secondary syphilis
- Skull fracture
- Smith disease
- St louis encephalitis
- Staphylococcus aureus
- Streptococcus group b
- Streptococcus pneumoniae
- Streptococcus suis
- Syphilis
- Systemic lupus erythematosus
- Tick-borne encephalitis
- Tick-borne meningoencephalitis
- Toxoplasma gondii
- Toxoplasmosis
- Trypanosoma brucei
- Trypanosomiasis
- Tuberculosis
- Varicella-zoster virus
- Venezuelan equine encephalitis
- West african trypanosomiasis
- West nile virus
- Western equine encephalitis
- Yersinia pestis
Bacterial
Viral
- Tick-borne meningoencephalitis
- West Nile virus
- Herpes Simplex Virus Type I. Being the primary infection than when recurrent, goes to encephalitis.
- Mumps, a relatively common cause of meningoencephalitis. However, most cases are mild, and mumps meningoencephalitis generally does not result in death or neurologic sequalae.[1]
- HIV, a very small number of individuals exhibit meningoencephalitis at the primary stage of infection.[2][3]
Other/multiple
- Granulomatous meningoencephalitis
- Other causes include antibodies targeting amyloid beta peptide proteins which have been used during research on Alzheimer's disease.[4]
- The fungus, Cryptococcus neoformans, can be symptomatically manifested within the CNS as meningoencephalitis with hydrocephalus being a very characteristic finding due to the unique thick polysaccharide capsule of the organism.
Protozoal
- Primary amoebic meningoencephalitis e.g., Naegleria fowleri, Balamuthia mandrillaris, Sappinia diploidea.
- Trypanosoma brucei
- Toxoplasma gondii (sporozoa) (immunocompromised patients)
Ameobic pathogens exist as free-living protozoans. Nevertheless, these pathogens cause rare and uncommon CNS infections. N. fowleri produces primary amebic meningoencephalitis (PAM). The symptoms of PAM are indistinguishable from acute bacterial meningitis. Other amebae cause granulomatous amebic encephalitis (GAE), which is a more subacute and can even a non-symptomatic chronic infection. Ameobic meningoencephalitis can mimic a brain abscess, aseptic or chronic meningitis, or CNS malignancy.[5]
Prognosis
The disease is associated with high rates of mortality and severe morbidity.
Related Chapters
- Granulomatous meningoencephalitis
- Primary amoebic meningoencephalitis
- Tick-borne meningoencephalitis
- West Nile virus
- Meningitis
- Meningism
- Primary amoebic meningoencephalitis
- Encephalitis
References
- ↑ Bruyn HB, Sexton HM, Brainerd HD (1957). "Mumps meningoencephalitis; a clinical review of 119 cases with one death". Calif Med. 86 (3): 153–60. PMC 1512024. PMID 13404512. Unknown parameter
|month=
ignored (help) - ↑ Newton, PJ; Newsholme, W; Brink, NS; Manji, H; Williams, IG; Miller, RF (2002). "Acute meningoencephalitis and meningitis due to primary HIV infection". BMJ (Clinical research ed.). 325 (7374): 1225–7. PMC 1124692. PMID 12446542.
- ↑ Del Saz, SV; Sued, O; Falcó, V; Agüero, F; Crespo, M; Pumarola, T; Curran, A; Gatell, JM; Pahissa, A (2008). "Acute meningoencephalitis due to human immunodeficiency virus type 1 infection in 13 patients: clinical description and follow-up". Journal of neurovirology. 14 (6): 474–9. doi:10.1080/13550280802195367. PMID 19037815.
- ↑ Orgogozo JM, Gilman S, Dartigues JF; et al. (2003-07-08). "Subacute meningoencephalitis in a subset of patients with AD after Aß42 immunization". Neurology. 61 (1): 46–54. doi:10.1212/01.WNL.0000073623.84147.A8. PMID 12847155. Retrieved 2008-05-01.
- ↑ Amebic Meningoencephalitis at eMedicine