The value of CSF flow studies in infants with communicating hydrocephalus.

The authors describe their technique of dynamic CSF scanning utilizing the radionuclide material Tc-99m diethylentriamine-pentacetic acid (DTPA). Thirty-four infants with macrocephaly and enlarged intracranial CSF spaces were investigated with this technique. The resulting studies were graded according to severity. The grading scheme was of value in determining which patients would benefit from a CSF diversionary shunt.