Exact(6)
Our results are similar to Loder et al (2007) with a small percentage of identifiable cervical ribs and a significant association of abnormal rib number with paediatric cancer.
The same analysis was completed for the association of abnormal rib number as opposed to total RAs and individual cancer type with similar findings (data not shown).
Loder et al (2007) and Schumacher et al (1992) reported an association of RAs with abnormal rib number whereas Merks et al (2005) failed to confirm this association.
Dichotomous variables were created for normal or abnormal ribs (any RA including abnormal rib number, cervical ribs, bifid ribs, and rib synostoses), rib number (24 and <24, >24), cervical and bifid ribs.
Radiographs showed a very hypoplastic thorax with an abnormal rib configuration, elevated and horizontally oriented clavicles, an abnormal pelvic configuration with a trident appearance of the acetabular margins, and prematurely ossified capital femoral epiphyseal centers.
Abnormal rib number is associated with at least 19 different human diseases and syndromes (http://www.wrongdiagnosis.com/symptoms/abnormal_rib_number/view-all.htm), such as Herrmann-Opitz craniosynostosis, spondylocostal dysostosis, and Campomelia Cumming type.
Similar(54)
The chest radiograph showed an abnormal position of both ribs and claviculae with a CTR of 0.53 (reference < 0.50; [ 28]).
Skeletal radiographs showed a narrow thorax with short, horizontally oriented ribs, an abnormal pelvic configuration with short iliac bones with spurlike protrusions and short metacarpals and distal phalanges.
Skeletal radiographs showed a small thorax with short, broad, anteriorly expanded ribs, an abnormal pelvic configuration with bilateral ileal flaring and short long bones with wide metaphyses.
Skeletal preparations of E18.5 fetuses with the exposed thoracolumbar neural tube (without spina bifida) clearly demonstrated splayed vertebrae in the thoracolumbar region (Fig. 1M, compare with L) and also revealed abnormal morphology of the ribs, commonly with bifurcations (Fig. 1O, compare with N).
Furthermore, the period that followed the posterior instrumented arthodesis did not raise any suspect about the abnormal position of the fifth rib because of the absence of neurological signs or symptoms.
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