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PT  - JOURNAL ARTICLE
AU  - Shroff, Manohar
AU  - Blaser, Susan
AU  - Jay, Vanita
AU  - Chitayat, David
AU  - Armstrong, Derek
TI  - Basilar Artery Duplication Associated with Pituitary Duplication: A New Finding
DP  - 2003 May 01
TA  - American Journal of Neuroradiology
PG  - 956--961
VI  - 24
IP  - 5
4099  - http://www.ajnr.org/content/24/5/956.short
4100  - http://www.ajnr.org/content/24/5/956.full
SO  - Am. J. Neuroradiol.2003 May 01; 24
AB  - Summary: Pituitary duplication is a rare malformation, reported previously in approximately 18 patients. It is usually unsuspected before imaging, although it occurs most commonly in association with complicated midline and skull base anomalies. It is easily shown by MR imaging. Five new cases of pituitary duplication were diagnosed by using MR imaging studies reviewed at the Hospital for Sick Children. Among the many associated midline abnormalities, partial basilar artery duplication is a previously undescribed finding that we observed in all our cases. Cases of basilar artery duplication or fenestration are associated with altered flow dynamics, leading to a higher incidence of aneurysms. Periodic surveillance for this potential complication may be warranted.