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

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 patient...

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Bibliographic Details
Published in:Journal of neuroradiology 2018-09, Vol.45 (5), p.329-332
Main Authors: Pellerin, A., Aguilar Garcia, J., David, A., Meyer, J., Guyomarch Delasalle, B., De Gaalon, S., Auffray Calvier, E., Desal, H., Bourcier, R.
Format: Article
Language:English
Subjects:
Adult
Case-Control Studies
Diagnosis, Differential
Female
Humans
Idiopathic intracranial hypertension
Intracranial Hypertension - diagnostic imaging
Magnetic Resonance Angiography - methods
Magnetic resonance venography
Male
Phlebography - methods
Retrospective Studies
Sensitivity and Specificity
Transverse sinus
Transverse Sinuses - diagnostic imaging
Transverse Sinuses - pathology
Venous stenosis
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Summary: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%.
ISSN:0150-9861
DOI:10.1016/j.neurad.2018.05.001