Definition

1. Noun:
   • A rare and usually fatal brain disease: Creutzfeldt-Jakob disease (CJD) is a neurological disorder characterized by the rapid, progressive degeneration of brain tissue.
   • Caused by an abnormal agent: It is believed to be caused by an infectious agent known as a prion, which is a misfolded protein.
   • Characterized by specific symptoms: The disease is marked by symptoms including progressive dementia, memory loss, personality changes, hallucinations, and a gradual loss of muscle coordination leading to involuntary movements.

Usage Examples

• Noun:
  • The diagnosis of Creutzfeldt-Jakob disease was confirmed after extensive neurological tests.
  • There is currently no effective treatment for Creutzfeldt-Jakob disease.
  • Researchers are studying the transmission mechanisms of Creutzfeldt-Jakob disease.

Advanced Usage

• "Sporadic Creutzfeldt-Jakob disease": The most common form, which appears spontaneously with no known cause.

  • Most cases of Creutzfeldt-Jakob disease are sporadic.

• "Variant Creutzfeldt-Jakob disease (vCJD)": A form linked to the consumption of beef products from cattle affected by Bovine Spongiform Encephalopathy (BSE), or "mad cow disease."

  • Variant Creutzfeldt-Jakob disease emerged in the 1990s.

• "Familial Creutzfeldt-Jakob disease": A hereditary form caused by a genetic mutation.

  • Familial Creutzfeldt-Jakob disease accounts for a small percentage of all cases.

Variants and Related Words

• CJD: A common abbreviation for Creutzfeldt-Jakob disease.

  • The patient was suspected of having CJD.

• Prion disease: A broader category of transmissible spongiform encephalopathies that includes Creutzfeldt-Jakob disease.

  • Creutzfeldt-Jakob disease is the most common prion disease in humans.

Synonyms

• Spongiform encephalopathy: A term describing the microscopic appearance of the brain (full of holes like a sponge) seen in this and related diseases.
• Prion disorder: Emphasizes the causative agent.

Related Phrases and Terms

• Rapidly progressive dementia: A key clinical feature of Creutzfeldt-Jakob disease.

  • The hallmark of Creutzfeldt-Jakob disease is a rapidly progressive dementia.

• Myoclonus: Sudden, brief, involuntary muscle jerks, a common symptom.

  • Patients with Creutzfeldt-Jakob disease often exhibit myoclonus.

Noun

1. rare (usually fatal) brain disease (usually in middle age) caused by an unidentified slow virus; characterized by progressive dementia and gradual loss of muscle control