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FIG 5. Images from the case of a 2-day-old female patient with suspected choanal atresia (case 5).
A, Sagittal view T1-weighted image shows characteristic tubomammillary fusion (asterisk).
B, Coronal view T1-weighted image shows the bright duplicated pituitary gland (arrows).
C, Source MR angiograms obtained through the vertebrobasilar system. Arrowhead indicates duplicated basilar artery. Short arrows indicate superior cerebellar arteries arising from duplicated basilar artery. Long arrows indicate posterior cerebral artery.
D, Oblique view MR angiogram shows the superior cerebellar arteries (SCA) originating from the distal duplicated basilar artery. PCA, posterior cerebral artery.
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