dawson's encephalitis

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Definition
  1. Noun:
    • A rare, chronic, progressive encephalitis: Dawson's encephalitis is a specific, uncommon neurological disease. It is characterized by being long-lasting (chronic) and gradually worsening (progressive) inflammation of the brain (encephalitis).
    • Caused by the measles virus: The disease is directly caused by an infection with the measles virus.
    • Occurring primarily in children and young adults: It most commonly affects individuals in these age groups.
    • Typically fatal within three years: The disease course usually leads to death within approximately three years of onset.
    • Associated with primary measles infection before age two: A key characteristic is that the initial (primary) measles infection occurred when the patient was under two years old.
Usage Examples
  • Noun:
    • The patient was diagnosed with Dawson's encephalitis, a tragic complication of an early childhood measles infection.
    • Research into Dawson's encephalitis focuses on understanding why the measles virus reactivates to cause this devastating disease.
    • The prognosis for Dawson's encephalitis is very poor.
Advanced Usage
  • Medical Terminology: In medical literature, "Dawson's encephalitis" is often used synonymously with subacute sclerosing panencephalitis (SSPE), which is its more formal medical name.
    • Dawson's encephalitis, or SSPE, represents a late complication of measles.
  • Historical Context: The term is named after the physician who described it. It is sometimes used in a historical medical context.
    • The condition was first detailed in reports on Dawson's encephalitis in the 1930s.
Variants and Related Words
  • Subacute sclerosing panencephalitis (SSPE) (n): The standard medical term for the disease.
    • SSPE is the acronym for the condition also known as Dawson's encephalitis.
  • Panencephalitis (n): A broader term for diffuse inflammation of the brain, of which Dawson's encephalitis is a specific type.
  • Measles encephalitis (n): A more general term for brain inflammation caused by measles, which can refer to acute complications or late-onset diseases like SSPE.
Synonyms
  • Subacute sclerosing panencephalitis (SSPE): The direct and most common synonym in medical contexts.
  • SSPE: The standard acronym.
Related Phrases
  • Complication of measles: A phrase describing the disease's origin.
    • Dawson's encephalitis is a severe, delayed complication of measles.
  • Progressive neurological disorder: A descriptive phrase for the nature of the disease.
    • Clinically, Dawson's encephalitis presents as a progressive neurological disorder.
Noun
  1. a rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and young adults; death usually occurs within three years; characterized by primary measles infection before the age of two years

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