To compare Ga-67 citrate with a standard radioactive dye in order to learn if Ga-67 citrate can help doctors to check the flow of CSF for any blockage. 3 years [clinicaltrials_resource:82b851ff7914caac45ef24932da2c276]

Ga-67 citrate injection alone for individuals with cancer cells in cerebral spinal fluid (CSF), no earlier treatment for disease.

To compare Ga-67 citrate with a standard radioactive dye in order to learn if Ga-67 citrate can help doctors to check the flow of CSF for any blockage. 3 years [clinicaltrials_resource:82b851ff7914caac45ef24932da2c276]

Ga-67 citrate injection alone for individuals with cancer cells in cerebral spinal fluid (CSF), no earlier treatment for disease.