Case of the Week
Section Editors: Matylda Machnowska1 and Anvita Pauranik2
1University of Toronto, Toronto, Ontario, Canada
2BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
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November 5, 2007
Ectopic Neurohypophysis, Absent Stalk, Hypoplastic Adenohypophysis
- 'Bright spot' along median eminence of hypothalamus or along stalk, which may be tiny or absent
- Adenohypophysis & sella are small
- Frequently associated w/growth hormone deficiency (pituitary dwarfism)
- Associated adenohypophysis dysfunction may be related to absent infundibulum.
- Associated CNS abnormalities: septo-optic dysplasia, lobar holoprosencephaly, olfactory bulb anomalies, neuronal migration defects
