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'brain'; and the medical suffix -itis, "inflammation"), also known as herpes 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 tissue.
Encephalitis with meningitis is known as meningoencephalitis, while encephalitis with involvement of the spinal cord is known as encephalomyelitis. [2] The word is from Ancient Greek ἐγκέφαλος, enképhalos 'brain', [37] composed of ἐν, en, 'in' and κεφαλή, kephalé, 'head', and the medical suffix -itis 'inflammation'. [38]
The disease most often manifests as meningitis, encephalitis or meningoencephalitis. Myelitis and spinal paralysis also occurs. In about one third of cases sequelae, predominantly cognitive dysfunction, persist for a year or more. [1] The number of reported cases has been increasing in most countries. [2]
Lymphocytic choriomeningitis (LCM) is a rodent-borne viral infectious disease that presents as aseptic meningitis, encephalitis or meningoencephalitis.Its causative agent is lymphocytic choriomeningitis mammarenavirus (LCMV), a member of the family Arenaviridae.
Some of the possible symptoms of chronic meningitis (due to any cause) include headache, nausea and vomiting, fever, and visual impairment. Nuchal rigidity (or neck stiffness with discomfort in trying to move the neck), a classic symptom in acute meningitis, was seen in only 45% of cases of chronic meningitis with the sign being even more rare in non-infectious causes.
Mumps meningoencephalitis; Mosquito carried viruses of the flavivirus family. Saint Louis encephalitis (SLE) and West Nile virus (WNV) are the most typical. [2] Specific types of Herpes can result in aseptic meningitis. These are (HSV)-1, (HSV)-2, varicella-zoster virus, and (HHV6). [2] Bacteria Lyme disease [1] Syphilis [1] Leptospirosis; Fungi
In severe cases, people may experience concomitant encephalitis (meningoencephalitis), which is suggested by symptoms such as altered mental status, seizures or focal neurologic deficits. [13] Babies with viral meningitis may only appear irritable, sleepy or have trouble eating. [5]
Meningitis is an inflammation of the protective membranes covering the brain and spinal cord, caused by infection.