Fig. 1

Hypophysitis was diagnosed in a 30 year old during the late third trimester of pregnancy. The patient presented with 3 weeks of progression vision loss. Panel a depicts a coronal pre-contrast T1-weighted image of the pituitary. Transsphenoidal biopsy (Panel b) demonstrated lymphocytic hypophysitis and glucocorticoid therapy was begun with prednisone 60 mg daily. Following delivery, the pituitary gland decreased in size (Panel c) and remained stable 2 months (Panel d) and 5 months (Panel e) after glucocorticoid taper and discontinuation