label: Acidophil Stem Cell Pituitary Neuroendocrine Tumor
label_lc: acidophil stem cell pituitary neuroendocrine tumor
description: "An infrequent pituitary neuroendocrine tumor composed of cells showing immunoreactivity for prolactin and less often growth hormone. Electron microscopic studies reveal giant mitochondria, a finding not present in any other type of pituitary gland adenomas."