TABLE 1:

Pituitary duplications

Case 1Case 2Case 3Case 4Case 5
Sex, ageMale, 1 yearFemale, 2 daysFemale, 1 dayFemale, 28 weeks’ gestationFemale, 2 days
Clinical presentationMacrocephaly, mild facial dysmorphism, developmental delayProtruding whitish mass from oral cavityCraniofacial deformityPrematurity, hydrocephalus with intraventricular hemorrhage on ultrasonogramSuspected choanal atresia
Pituitary gland, duplicated pituitary and stalkYesYesYesYesYes
Hypothalamic thickening and tubomammillary fusionYesYesYesYesYes
Duplicated pituitary fossae and cleft basisphenoidYesYesYesYesYes
Sphenopharyngeal canalNoYesNoYesNo
HypertelorismYesYesYesYesNo
Corpus callosumNormalAgenesisAgenesisAgenesisNormal
Mouth and nasopharynxNormalCleft palate, oral dermoid, frontonasal dysplasiaJaw teratoma, syngnathia, sphenomandibular-maxillary fusion, cleft palateCleft palateOral “hairy” dermoid, posterior cleft through bony palate
Posterior fossaWide pons, prominent ventral rapheNormalNormalLower brain stem tethered anteriorly to pharynx through cleft above anterior arch of C1 with basionLower brain stem tethered anteriorly to pharynx through cleft above anterior arch of C1 with basion
Basilar arteryDuplicated, MR angiogram availableDuplicated, only spin-echo images availableDuplicated, only spin-echo images availableDuplicated, MR angiogram availableDuplicated, MR angiogram available
Cervical spine anomalies/anomalies of basionYesYesYesYesYes