A quantitative and semi-automatic measurement of transverse sinus stenosis improves idiopathic intracranial hypertension diagnostic accuracy

J Neuroradiol. 2018 Sep;45(5):329-332. doi: 10.1016/j.neurad.2018.05.001. Epub 2018 Jun 18.

Abstract

We propose a new reliable transverse sinus stenosis (TSS) index based on magnetic resonance venography (MRV) for the diagnosis of idiopathic intracranial hypertension (IIH). Our quantitative semi-automatic measurement analysis based on segmentation and cross-sectional TS diameter from 48 IIH patients and controls matched for age and sex, had a good inter-observer agreement (κ=0.729) compared to a visual examination (κ=0.467). A cut-off point≥2 discriminate IIH patients from controls, with a sensitivity and specificity of 100%.

Keywords: Idiopathic intracranial hypertension; Magnetic resonance venography; Transverse sinus; Venous stenosis.

MeSH terms

  • Adult
  • Case-Control Studies
  • Diagnosis, Differential
  • Female
  • Humans
  • Intracranial Hypertension / diagnostic imaging*
  • Magnetic Resonance Angiography / methods*
  • Male
  • Phlebography / methods*
  • Retrospective Studies
  • Sensitivity and Specificity
  • Transverse Sinuses / diagnostic imaging*
  • Transverse Sinuses / pathology