Sporadic fatal insomnia (SFI): pathology

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Sporadic fatal insomnia (SFI): pathology. There is thalamic degeneration and atrophy. Fully referenced neurology checklist.

Gross pathology

  • There is thalamic degeneration and atrophy
  • There is neuronal loss and astrogliosis
  • There is spongiform degeneration in the thalamus and cortex

Prion protein pathology

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Synonym

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References

  1. Moody KM, Schonberger LB, Maddox RA, Zou WQ, Cracco L, Cali I. Sporadic fatal insomnia in a young woman: a diagnostic challenge: case report. BMC Neurol 2011; 11:136.
  2. Priano L, Giaccone G, Mangieri M, et al. An atypical case of sporadic fatal insomnia. JNNP 2009; 80:924-927.
  3. Piao YS, Kakita A, Watanabe H, Kitamoto T, Takahashi H. Sporadic fatal insomnia with spongiform degeneration in the thalamus and widespread PrPSc deposits in the brain. Neuropathology 2005; 25:144-149.

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