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Midsagittal block from sella turcica in anencephalic fetus

Left schematic drawing and right histological sagittal paraffin section of a midsagittal block from the sella turcica region in a human anencephalic fetus, gestational age 20 weeks. Anterior direction is left. Note the craniopharyngeal canal penetrating the cranial base below the pituitary gland. Adenopituitary tissue is located in the sella, in the canal, and in the pharyngeal submucosa. Neuropituitary tissue was not found. (Toluidine blue) (Reproduced with permission. J Craniofac Genet Dev Biol 1995;15:222-9.)

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Associated Disorders

  • Anencephaly
  • CHARGE syndrome
  • Cleft lip and palate
  • Duplication of pituitary stalk
  • Ectopic neurohypophysis
  • Empty sella syndrome
  • Holoprosencephaly
  • Hypertelorism
  • Midfacial anomalies
  • Myelomeningocele
  • Pallister-Hall syndrome
  • Pituitary agenesis
  • Pituitary aplasia
  • Pituitary dysplasia
  • Pituitary ectopia
  • Pituitary hypoplasia
  • Rachischisis
  • Rathke cleft cyst
  • Rieger syndrome
  • Rubinstein-Taybi syndrome
  • Septo-optic dysplasia
  • Solitary maxillary central incisor
  • Spina bifida