subacute inclusion body encephalitis

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Definition
  1. Noun:
    • A rare, chronic, and progressive brain inflammation: "Subacute inclusion body encephalitis" is a medical term for a specific, uncommon neurological disease. It is characterized by persistent and worsening inflammation of the brain tissue.
    • Caused by the measles virus: This encephalitis is directly caused by an infection with the measles virus, even if the initial measles infection occurred years earlier.
    • Primarily affecting children and young adults: The disease most commonly occurs in this younger demographic.
    • Associated with intracellular inclusions: A key pathological feature is the presence of abnormal structures, called inclusion bodies, inside the brain cells of affected individuals.
Usage Examples
  • Noun:
    • The diagnosis was confirmed to be subacute inclusion body encephalitis.
    • Subacute inclusion body encephalitis is a devastating complication of measles.
    • Researchers are studying the progression of subacute inclusion body encephalitis.
Advanced Usage
  • Clinical Context: The term is used almost exclusively in medical, neurological, and pathological contexts to describe this specific disease entity. It is often abbreviated as SIBE in clinical notes.
  • Pathological Description: In medical literature, the name highlights the disease's tempo ("subacute"), a key microscopic finding ("inclusion body"), and the nature of the condition ("encephalitis" meaning brain inflammation).
Variants and Related Words
  • Subacute sclerosing panencephalitis (SSPE): This is the more common and complete name for the same disease. "Subacute inclusion body encephalitis" is often used synonymously with SSPE, with SSPE being the preferred term in many medical texts.
  • Encephalitis (n): General term for inflammation of the brain.
  • Panencephalitis (n): Inflammation that affects all parts of the brain.
Synonyms
  • SSPE (Subacute sclerosing panencephalitis): The primary synonym.
  • Dawson's encephalitis: A historical eponym for the same condition.
Key Characteristics (Descriptive Phrases)
  • A complication of measles: It follows an earlier measles infection.
  • A progressive neurological disorder: It leads to a steady decline in brain function.
  • A fatal disease: The outcome is invariably fatal, typically within a few years of onset.
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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