TABLE 2:

Summary of MR imaging findings

MR Imaging FindingCase 1Case 2Case 3Case 4
Posterior pituitary lobeEPPEPPEPP Second EPP focus on posterosuperior aspect of glandEPP
Anterior pituitary lobeSmallSmallSmallSmall
InfundibulumThinThin, hyperintensity at root of infundibulumMarkedly thin, anteriorly placedThin
Sella turcicaSmallSmallSmall, dysplastic anterior sellaSmall
Periventricular heterotopia2 Nodules, unilateral, posterior body of lateral ventricleApproximately 7 nodules, bilateral, frontal horns and bodies of lateral ventricles2 Nodules, bilateral, right trigone, left temporal horn1 Nodule, unilateral, left frontal horn
Septum pellucidum/optic nervesNNNN
Other abnormalities0Mild callosal dysgenesis02 suprasellar lipomas

  • Note.—EPP, ectopic posterior pituitary lobe; N, normal; 0, absent.