Classification of hydrocephalus on the basis of examination of different sequences
| Sequences | Number of Communicating Hydrocephalus Cases | Number of Noncommunicating Hydrocephalus Cases with Obstructive Membranes | Total Number of Cases with Obstructive Membranes | ||
|---|---|---|---|---|---|
| Number of Cases with no Visible Obstructive Membrane | Number of Cases with Only an Obstructive Cisternal Membrane | Number of Cases with Only an Obstructive Intraventricular Membrane | Number of Cases with Obstructive Ventricular Membrane Plus Obstructive Cisternal Membrane | ||
| Conventional T1 and T2 | 46 | 0 | 47 | 1 | 48 |
| 3D-CISS | 13 | 7 | 63 | 22 | 92 |