somatomedin levels in cerebrospinal fluid ( csf ) were determined in patients with acromegaly , pituitary deficiency , prolactinoma , and cushing 's disease by radioimmunoassay ( ria ) for insulin-like growth factor 1 ( igf-1 ) and for igf-2 as well as a radioreceptor assay ( rra ) with adult human brain plasma membranes and igf-2 as ligand .
C0033375
prolactinoma
C0006104
brain