spinal dysraphism

1. Split Cord Malformations
Upper Chesapeake Spine Conference
May 6, 2016

2. Diastema: split/cleft

3. • 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

30. Charles Prosper Ollivier d'Angers
(1796-1845)
officer napoleons young guard
served in Battle of Waterloo and
left the military
father was a pharmacist
no microscope
spinal cord researcher
coined the term syringomyelia
practitioner/anatomist/pathologist
studied embryology

33. 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

37. Hypertrichosis (half of diastematomyelia cases)

38. 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.

43. thanks