Sturge-Weber syndrome (mnemonic)

Last revised by Henry Knipe on 6 Jul 2022

Some key findings pertaining to Sturge-Weber syndrome may be recalled using the following mnemonics:

  • 8 Cs


  • S: seizures, sporadic
  • T: tram track gyriform calcification; trigeminal territory port-wine stain
  • U: unilateral weakness (hemiparesis - contralateral to facial nevus)
  • R: retardation
  • G: glaucoma, GNAQ gene
  • E: epilepsy
  • C: calvarial thickening, choroid plexus enlargement
  • A: atrophy of ipsilateral cerebral hemisphere
  • P: pial angiomatosis
  • S: sinus (paranasal) enlargement
8 Cs
  • congested veins in pial angiomatosis 
  • cerebral atrophy
  • cortical tram track calcification
  • cavernous sinus enlargement
  • choroid plexus enlargement
  • calvarial thickening 
  • choroidal hemangioma in the eye 
  • cutaneous port-wine stain 

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Cases and figures

  • Case 1: tram track calcification
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