FIGURE 6

Secondary lactotroph hyperplasia, Case 4. Portions of two heavily labeled monohormonal somatotrophs are shown, 37,800×. Immunoelectron microscopy using double-immunogold labeling. Growth hormone (GH): 20 nm, prolactin (PRL): 10 nm.

Secondary lactotroph hyperplasia, Case 4. Portions of two heavily labeled monohormonal somatotrophs are shown, 37,800×. Immunoelectron microscopy using double-immunogold labeling. Growth hormone (GH): 20 nm, prolactin (PRL): 10 nm.