label: Mature Plurihormonal PIT1 Lineage Pituitary Neuroendocrine Tumor
label_lc: mature plurihormonal pit1 lineage pituitary neuroendocrine tumor
description: "A well-differentiated pituitary neuroendocrine tumor composed of PIT1-lineage adenohypophyseal cells with acidophilic cytoplasm, extensive immunoreactivity for growth hormone and variable immunoreactivity for TSH, prolactin, and alpha-subunit. (WHO)"