Pituitary stalk interruption syndrome

Case contributed by Nadun Madushanka Vithanage
Diagnosis almost certain

Presentation

Short stature, found to have panhypopituitarism on investigations.

Patient Data

Age: 20 years
Gender: Male

There is absent anterior pituitary gland (empty sella) and pituitary stalk. The posterior pituitary bright spot is absent in the normal position at pituitary fossa.

Posterior pituitary is seen at an ectopic position at the median eminence. It is hyperintense on T1 and shows contrast enhancement

Annotated images

mri

Annotated images show

1st & 2nd images show empty sella

3rd  image shows ectopic posterior pituitary at median eminence

4th image shows absent pituitary infundibulum

Case Discussion

This is a late presentation and diagnosis of pituitary stalk interruption syndrome. Key features, in this case, are absent anterior pituitary and infundibulum with ectopic posterior pituitary.

And hormonal assay shows panhypopituitarism.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.