PMC8187777_01
Magnetic resonance imaging (MRI). Sagittal (A) and coronal (B) T2-weighted images; Gd-enhanced coronal (C) T1- weighted and sagital (D) T1-images show on the midline sagittal plane, a thickened third ventricle floor (arrow a and d), tubomamillary fusion and the absence of a midline sella turcica and pituitary infundibulum. Coronal T2 and T1 WI MR (C) reveal 2 pituitary stalks (arrowheads b and c). The MRI also demonstrates a midline nasopharyngeal teratoma (arrowhead D).
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At birth, magnetic resonance imaging (MRI) was obtained and showed paired infundibula extending inferiorly to two small pituitary glands, and a broad pituitary fossa ( Figure 1 ).
Concomitant cranio-cervical junction malformation clearly demonstrated on the 3D reconstruction CT images, characterized by duplication of the odontoid process (arrow A, B).
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A computed tomography (CT) scan without contrast of the facial skeleton was performed for the re-evaluation after surgery, which showed a duplicate appearance of the dens of the epistropheus ( Figure 2 ).