Tuber cinereum hamartoma

Case contributed by Mohammad A. ElBeialy



Patient Data

Age: 15 years
Gender: Female

The tuber cinereum and left mammillary body show a small solid mass lesion with isointense T1, slightly hyperintense T2 / FLAIR signal. It measures about 1.2 x 1 cm in its main axial dimensions. The lesion shows no significant post-contrast enhancement. Normal right mammillary body.

The remainder of the brain is unremarkable. 


Hypothalamic (tuber cinereum and left mammillary body) mass lesion; tuber cinereum hamartoma.

Case Discussion

The floor of the 3rd ventricle from the pituitary stalk to the mammillary bodies is called the tuber cinereum; it should be smooth. Any nodularity within should raise the suspicion of a tuber cinereum (hypothalamic) hamartoma. Small, non-enhancing mass lesion contiguous with the tuber cinereum is almost always diagnostic of tuber cinereum hamartoma. 

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.