Ectopic posterior pituitary

Case contributed by Dr Dalia Ibrahim

Presentation

Diabetes insipidus and polyuria.

Patient Data

Age: 15 years
Gender: Male
MRI

Absent posterior pituitary at its typical location at the sella, and instead it's seen at the suprasellar region as a bright spot on T1 WI.

Normal anterior pituitary gland and pituitary stalk.

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