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The Ultrasound Journal
Fig. 3 | The Ultrasound Journal

Fig. 3

From: The CLOSED protocol to assess optic nerve sheath diameter using color-Doppler: a comparison study in a cohort of idiopathic normal pressure hydrocephalus patients

Fig. 3

The values in the reported axes are in millimeters. a Color-Doppler measurements are less scattered and significantly lower than those in B-mode. b MRI vs B-mode (without Doppler) in 27 patients; c MRI vs color-Doppler mode in 23 patients; box plots show a clear difference in comparison between the MRI and the two US modalities, highlighting an evident difference in all the analyzed diameters. SDL sagittal diameter left, SDR sagittal diameter right, TDL transverse diameter left, TDR transverse diameter right

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