RT Journal Article SR Electronic T1 CT of the abnormal pituitary stalk. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 49 OP 52 VO 5 IS 1 A1 R G Peyster A1 E D Hoover YR 1984 UL http://www.ajnr.org/content/5/1/49.abstract AB Seven cases are presented in which enlargement of the pituitary stalk was demonstrated by computed tomography (CT). Histiocytosis X, sarcoidosis, and metastatic cancer were the proven or presumed causes. The discovery of pituitary stalk enlargement prompted radiation treatment in three patients and led to the diagnosis of previously unsuspected diabetes insipidus in one.