RADD 2612 Congenital Anomalies PowerPoint

RADD 2612 Congenital Anomalies PowerPoint - 10/13/2010 RADD...

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Unformatted text preview: 10/13/2010 RADD 2612 DR. JILL BRADSHAW COURSE CONTENT CONGENITAL ANOMALIES STRUCTURAL ANALYSIS EXTREMITIES FRACTURES CONGENITAL ANOMALIES MAY CONTRAINDICATE A CERTAIN TYPE OF ADJUSTMENT MAY CONTRAINDICATE AN AREA TO BE ADJUSTED BE ADJUSTED MAY CHANGE THE BIOMECHANICS OF A CERTAIN AREA MAY SHOW UP ON BOARDS 1 10/13/2010 OCCIPITALIZATION Description: fusion of the atlas with the fusion occipital bone sometimes called “most cephalic” block in young children is usually asymptomatic in older children/young adults there are symptoms Headaches, visual and upper extremity issues Next clinical protocol: flexion/ext study 2 10/13/2010 PLATYBASIA Description: flattening of the sphenoid flattening bone and/or occipital bone Determined by: Martin’s Basilar Angle McGregor’s Line NR: N: 123-152 degrees 123- not greater than 8 mm for males not greater than 10 mm for females PLATYBASIA (cont) Chamberlain’s Line MacRae’s Line N: not greater than 3 mm above the line N: should see some occipital bone lower than the foramen magnum some consider this AKA “Basilar Impression” or “Basilar Invagination” Y&R distinguishes by cause Has the same x-ray presentation x- 3 10/13/2010 4 10/13/2010 SPINA BIFIDA OCCULTA Description: small opening due to the small failure of fusion of the lamina no clinical significance 5 10/13/2010 6 10/13/2010 SPINA BIFIDA VERA Description: large defect with no large protection of the spinal cord this may allow protrusion of the meninges and/or spinal cord and/or spinal cord thought to be caused by deficiency of folic acid in 1st trimester 7 10/13/2010 POSTERIOR SPONDYLOSCHISIS Description: posterior cleft of the posterior posterior arch of C-1 C sometimes referred to as “non union of the posterior arch” posterior arch 8 10/13/2010 BLOCKED VERTEBRA Description: two or more segments joined two together 2 Types: Congenital block: concavity on the ant surface bl th Acquired block: many presentations 9 10/13/2010 10 10/13/2010 11 10/13/2010 12 10/13/2010 SCHMORL’S NODE Description: nucleus pulposus herniates through the vertebral endplate Some think that the trauma is the cause Y&R list it as a birth defect list it as birth defect TRIAD OF FEATURES: decreased disc space most commonly found on the ant/sup surface Increased A-P body width A SCHMORL’S NODE (cont) DIFFERENTIATE WITH: Nuclear Impression: entire endplate is depressed Schmorl’s node: pencil eraser through the endplate endplate 13 10/13/2010 14 10/13/2010 CERVICAL RIB Description: a separate piece of bone that articulates with the transverse process of cervical vertebra (points down) and is present in and is present in 0.5% of the population of the population Differentiate With: Elongated tp: no joint space Rudimentary thoracic rib: tp points up 15 10/13/2010 16 10/13/2010 POSTERIOR PONTICUS Description: calcification of the oblique portion of the atlanto-occipital ligament atlanto forms an “arcuate foramen” seen in 14% of the population 14% th Vertebral artery is entrapped on some people Contraindication to some types of rotary adjustments 17 10/13/2010 18 10/13/2010 BUTTERFLY VERTEBRA Description: segment takes on the segment appearance of separate triangular portions on the A-P view A different theories of why this occur theories of why this occur Notice how the endplates of the adjoining segments fill in the gaps 19 10/13/2010 20 10/13/2010 21 10/13/2010 LIMBUS BONE Description: migration and herniation of migration nuclear material through the secondary growth center of the vertebral body results in non-union of the secondary in non union of the secondary growth growth center Differentiate with: Avulsion fractures: jagged edges and located on the inferior/anterior aspect of the vertebral body 22 10/13/2010 23 10/13/2010 KNIFE CLASP Description: spina bifida of the 1st sacral spina segment with an enlarged spinous process of the last lumbar extremely painful painful 24 10/13/2010 25 10/13/2010 26 10/13/2010 HEMIVERTEBRA Description: triangular deformity of the triangular vertebral body 3 Types: Lateral: seen on A-P view Dorsal: seen on Lateral view; back portion of the vertebral body is complete Ventral: seen on Lateral view; front portion of the vertebral body is complete - causes structural scoliosis 27 10/13/2010 28 10/13/2010 TRANSITIONAL SEGMENT DESCRIPTION: SEGMENT HAS CHARACTERISTICS OF ANOTHER AREA MOST COMMON AREA IS THE LUMBOSACRAL LUMBOSACRAL COMMON TERMS: LUMBARIZATION AND SACRALIZATION MOST IMPORTANT: BIOMECHANICS IS DIFFERENT 29 10/13/2010 30 10/13/2010 OS ODONTOIDEUM vs OSSICULUM TERMINALE PERSISTENS 31 10/13/2010 32 10/13/2010 33 ...
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This note was uploaded on 11/22/2011 for the course RADD 2612 taught by Professor Jillg.bradshaw during the Winter '11 term at Life Chiropractic College West.

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