Ectopic posterior pituitary gland

Case contributed by Dr Rupesh Namdev

Presentation

Delayed milestone, reduced growth, no facial abnormality

Patient Data

Age: 2
Gender: Female
MRI

Ectopic posterior pituitary

Best appreciated on T1 Sagital images, the posterior pituitary gland is seen as a bright spot adjacent to the hypothalamus.

CT

CT to rule out lipoma

A ct scan was done to rule out hypothalamic lipoma which would show fat atttenutaion

Case Discussion

Ectopic posterior pituitary is the result of faulty embryogenesis where the posterior pituitary gland is not seen at the sella. Instead the gland is seen at the level of hypothalamus or floor of third ventricle.

The condition is a cause for pituitary dwarfism.

Many Known associations are seen which can be read at main article : Ectopic posterior pituitary

The main differential diagnosis is hypothalamic lipoma

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Case information

rID: 26710
Case created: 3rd Jan 2014
Last edited: 5th Sep 2017
Inclusion in quiz mode: Included

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