1) It was discussed about RI compound using in cisternography and usefulness of RI-cisternography for diagnosis.
2) It could be known that Yb-DTPA was favorable pharmaceutical agents for RI cisternography in a physico-chemical property.
3) Abnormal findings were found on cisternogram of subdural hematoma, subarachinoidial bleeding, infratentorial tumor, or normal pressure hydrocephalus In these diseases, it could be considered that abnormal findings depended upon a disturbance of movement or absorption of the spinal fluid. Therefore, scintiphotogram taken in series was important for diagnosis of RI-cisternography.
