RADD 2612 Congenital Anomalies Lecture (Notes Only)

RADD 2612 Congenital Anomalies Lecture (Notes Only) -...

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CONGENITAL ANOMALIES OCCIPITALIZATION Description: fusion of the atlas with the occipital bone - sometimes called “most cephalic” - in young children is usually asymptomatic - in older children/young adults there are symptoms PLATYBASIA Description: flattening of the sphenoid bone and/or occipital bone Determined by: lines of mensuration called Martin’s Basilar angle (normal range = 123-152 degrees) - some consider this AKA “Basilar Impression” - over 152 degrees indicates SPINA BIFIDA OCCULTA Description: small opening due to the failure of fusion of the lamina - no clinical significance SPINA BIFIDA VERA Description: large defect with no protection of the spinal cord - this may allow protrusion of the meninges and/or spinal cord - thought to be caused by deficiency of folic acid in 1 st trimester POSTERIOR SPONDYLOSCHISIS Description: posterior cleft of the posterior arch of C-1 - sometimes referred to as “non union of the posterior arch” BLOCKED VERTEBRA Description:
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