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Fig. 8B —23-year-old postpartum woman with hypophysitis and atypical infundibuloneurohypophysitis involving pituitary gland and stalk. (Reprinted with permission from Harnsberger H. Head and neck digital teaching file. Salt Lake City, UT: Amirsys, 2002 [16]) Coronal (A) and sagittal (B) contrast-enhanced T1-weighted images through sella. Note masslike enlargement of entire pituitary gland and stalk. Neurohypophyseal involvement was supported by clinical presentation of diabetes insipidus. With this degree of involvement, imaging appearance is indistinguishable from macroadenoma; however, histopathologic evaluation confirmed diagnosis of hypophysitis.