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AJNR - American Journal of Neuroradiology

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A Rare Expression of Neural Crest Disorders: An Intrasphenoidal Development of the Anterior Pituitary Gland

Kathlyn Marsot-Dupuch^a, Wendy R. K. Smoker^b and Walter Grauer^c

^a Department of NeuroRadiology, Faculty Paris Sud, le Kremlin-Bicêtre, France
^b Department of Radiology, University of Iowa Hospitals and Clinics, Iowa City, IA
^c Department of Department of Radiology, Bethanien Spital, Zurich, Switzerland

View larger version (56K): [in a new window]   FIG 1. Sagittal T1-weighted image (528/16/2 [TR/TE/NEX]). Note the canal extending from the floor of the sella to the nasopharynx (arrows).

View larger version (56K): [in a new window]   FIG 2. Axial (A) and sagittal (B) reconstructed CT images through the sphenoid bone. Note the intrashenoidal bony canal (arrows).

View larger version (99K): [in a new window]   FIG 3. Midsagittal T1- (A, 450/14/2) and B) T2-weighted (B, 550/117/3) weighted MR images. Note the midline canal filled with intermediate signal intensity material on both T1- (A) and T2-weighted (B) images extending from the sella to the nasopharynx. Note the normal location of the pituitary infundibulum (A, arrow) and a small amount of CSF with the upper portion of the canal in (B).