split cord malformations
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Split Cord Malformations
Upper Chesapeake Spine ConferenceMay 6, 2016
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Diastema: split/cleft
Myelon: marrow in ancient greek, refers to cord
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• 73 year old woman L LBP lower pain weakness• HPI: one month symptoms,
much improved• PMH: ACDF, chole,
emphysema, low thyroid• Med: Prolastin,
levothyroxine, HCTZ, metoprolol, succinate ER, venlafaxine, KCl, trazodone• Allerg: MSO4• Exam 5’1” 145 lb,
trendeleberg list, L hip abductor weakness cannot stand on L leg single stance, L anke DF 2/5 motor• IMP: L L radiculopathy
foramenal stenosis
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Charles Prosper Ollivier d'Angers (1796-1845)officer napoleons young guard served in Battle of Waterloo and left the militaryfather was a pharmacistno microscopespinal cord researchercoined the term syringomyeliapractitioner/anatomist/pathologiststudied embryology
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Diastematomyelia
diplomyelia
spinal dysraphism
split cord malformation
1. 2 hemicords, individual dural tubes, midline osteocartilagenous spur
2. 2 hemicords, single dural tube, nonrigid fibrous septum
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Hypertrichosis (half of diastematomyelia cases)
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Cross section diagrams of spinal lesions seen in spina bifida. (A) Myelomeningocele. (B) Myeloschisis. (C) Diastematomyelia with a spur and hypertrichosis in association with SB occulta. (D) Myelodysplasia with a meningocele and subcutaneous lipoma.
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thanks
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