Page 111 - Portuguese Journal - SPORL - Vol 61. Nº1
P. 111

Image 7
          Both stapes (white arrows) are observed




















          Image 8
          Cross-sectional image of CT in bone window. Bilateral and symmetrical dilation of the lateral two-thirds
          of subarcuate or petromastoid canals (white arrows) and preservation of the proximal third (black arrows)
          is identified


















          Image 9
          Normal and symmetrical direction and thickness of the tympanic portion of both facial nerves (white
          arrows).





















          Discussion                                        palpebral  fissures,  preauricular  appendages,
          CES is a rare genetic syndrome caused by          cardiac and renal malformations, and normal
          trisomy or partial tetrasomy of chromosome        or borderline cognitive function . CES presents
                                                                                           2
          22. It has an incidence of 1: 150,000 live births . It   a high phenotypic variability even between
                                                     1
          is clinically characterized by the combination    affected individuals of the same family . This
                                                                                                    2
          of  iris  coloboma,  anal  atresia,  down  slanting   variability leads to frequent underdiagnosis .
                                                                                                       3,4

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