Ectopic posterior pituitary

Case contributed by Dalia Ibrahim

Presentation

Diabetes insipidus and polyuria.

Patient Data

Age: 15 years
Gender: Male
mri
This study is a stack
Axial
T2
This study is a stack
Sagittal
T2
This study is a stack
Sagittal
T1
This study is a stack
Coronal PD
fat sat
This study is a stack
Coronal
T1
This study is a stack
Coronal
T1 C+
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Info

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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