Images in two patients with LCH.
A, Thickened, enhancing pituitary stalk in a 2-year-old girl with a 1-year history of LCH and new-onset diabetes insipidus
B, Coronal contrast-enhanced T1WI in a 6-year-old girl obtained 2 years after the onset of diabetes insipidus. Image shows a thickened pituitary stalk at the cranial portion, in the region of the median eminence (arrow).