Figure 5From: Diagnosis of idiopathic normal pressure hydrocephalus is supported by MRI-based scheme: a prospective cohort studyDilatation of Sylvian fissures. A) Illustrative MRI sections showing the variable size of Sylvian fissure. A: narrowing, B: normal, C: mildly-moderately enlarged, D: highly enlarged, A (C): Arrow indicating focal sulcal dilatation. B) Bar chart showing patient distribution of the four dilation categories described above. The Sylvian fissures were dilated in 96% of patients.Back to article page