adenohypophysitis (MONDO_0019838, a Monarch Disease Ontology identifier) is an autoimmune disease of the pituitary gland which can present with varying degrees of pituitary hormonal impairment and/or with symptoms related to pituitary enlargement. It predominantly affects young women in pregnancy or the peripartum period. Also known as: adenohypophysis inflammation, anterior pituitary hypophysitis, inflammation of adenohypophysis, lymphocytic adenohypophysitis.