Posterior pituitary bright spot

Case contributed by Mohammad Taghi Niknejad
Diagnosis certain

Presentation

Headache

Patient Data

Age: 25 years
Gender: Female

Oval-shaped high T1 signal on sagittal image in the posterior aspect of the pituitary fossa.

Case Discussion

The posterior pituitary bright spot is an MRI feature of the normal pituitary gland. It refers to the intrinsically high T1 signal of the posterior pituitary thought to be from the storage of vasopressin, which has a T1-shortening effect.

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