Presentation
Multiple episodes of hypoglycaemia
Patient Data
Age: 1 year
Gender: Male
From the case:
Ectopic neurohypophysis
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Info
The neurohypophysis shows as bright spot on T1W, located just posterior to optic chiasma at improper place indicating ectopic posterior pituitary.
Case Discussion
An ectopic posterior pituitary reflects a disruption of normal embryogenesis of the posterior pituitary and is one of the more common causes of pituitary dwarfism.
MRI findings:
high T1 signal 3-8 mm tissue nodule at the median eminence (floor of the third ventricle)
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