Male, 9 years old, with posterior pituitary proteinaceous cyst, follow-up examination. Redemonstrated is an oval hypoenhancing structure situated between the anterior and posterior pituitary glands. This lesion measures up to 6 mm in length and shows no significant interval change in size or morphology.The pituitary gland is otherwise within normal limits. The pituitary stalk sits at midline and demonstrates normal enhancement. No lesions of the suprasellar cistern or optic chiasm are demonstrated.
Stable pituitary lesion most likely representing a pars intermedia cyst.