fifty-two brain tumors , consisting of 17 astrocytomas , 4 oligodendrogliomas , 20 glioblastomas , 3 neurinomas , 2 ependymomas , 1 neurofibroma , 1 ganglioneuroblastoma , 1 medulloblastoma , 1 plexus papilloma , 1 teratoma , and 1 germinoma , were tested for their content of specific somatostatin receptors using autoradiographic techniques or in vitro binding assays with membrane homogenates .
C0004114
astrocytomas
C0017636
glioblastomas