Primary angiitis of the central nervous system (PACNS): differential against RCVS

Evidence-based neurology checklist on primary angiitis of the central nervous system (pacns): differential against rcvs: Predictors of RCVS against PACNS Recurrent thunderclap headache (TCH) Use of vasoactive substances History of migraine Normal imaging Border zone infarcts Vasogenic edema…

Predictors of RCVS against PACNS

  • Recurrent thunderclap headache (TCH)
  • Use of vasoactive substances
  • History of migraine
  • Normal imaging
  • Border zone infarcts
  • Vasogenic edema
  • Subarachnoid haemorrhage (SAH)
  • Cervical artery dissection
  • Normal angiography
  • Absence of focal signs
  • Low RCVS2 score

Predictors of PACNS against RCVS

Acronym

References

  1. de Boysson H, Parienti JJ, Mawet J, et al. Primary angiitis of the CNS and reversible cerebral vasoconstriction syndrome: a comparative study. Neurology 2018; 91:e1468-e1478.
  2. Singhal AB, Topcuoglu MA, Fok JW, Kursun O, Nogueira RG, Frosch MP, Caviness VS Jr. Reversible cerebral vasoconstriction syndromes and primary angiitis of the central nervous system: clinical, imaging, and angiographic comparison. Ann Neurol 2016; 79:882-894.
  3. Rocha EA, Topcuoglu MA, Silva GS, Singhal AB. RCVS2 score and diagnostic approach for reversible cerebral vasoconstriction syndrome. Neurology 2019; 92:e639-e647.

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