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Ectopic posterior pituitary

Case contributed by Maxime St-Amant
Diagnosis almost certain

Presentation

Multiple hormonal deficiencies

Patient Data

Age: Infant
Gender: Female
mri

MRI shows an ectopic posterior pituitary, located at the median eminence. There is an associated dysgenesis of the corpus callosum, with an abnormally thin body and splenium.

The infudibular stalk is probably present, but it is very subtle, with slight enhancement post-gadolinium. The anterior pituitary is normal. Myelination is normal for the age of the infant.

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