L7: Spinal Degenerative Diseases Flashcards
Anatomical Overview of the vertebra
Pathology in Degenerative Disease of the Spine
Compression of the spinal Cord
Myelopathy
Most Common Myelopathy
Cervical spondylotic myelopathy (CSM)
Radiculopathy
Most Common Radicular Pain
sciatica - brachialgia
Stenosis
Spinal Degenerative Diseases
- Arthritis
Spinal Degenerative Diseases
- Bone Spurs
Symptoms of Spinal Degenerative Diseases
Red Flags of Spinal Degenerative Diseases
Red Flags of Spinal Degenerative Diseases
- Cauda Equina Syndrome
Red Flags of Spinal Degenerative Diseases
- Myelopathy
Red Flags of Spinal Degenerative Diseases
- Radiculopathy
Red Flags of Spinal Degenerative Diseases
- Others
RF for Spinal Degenerative Diseases
- Aging.
- Genetic predisposition.
- Smoking, diet, weight.
- Occupational (heavy lifting).
- Sedentary lifestyle.
Types of Spinal Degenerative Diseases
A) Disc bulge.
B) Annular tear.
C) Herniation.
Def of Disc Bulge
Normal IVD
Classification of Disc Bulge
Def of Annular Tear
Disruption of concentric collagenous fibers comprising the anulus fibrosus.
Types of Annular Tear
MRI of Annular Tear
Def of Disc Herniation
Types of Disc Herniation
Notes
Types of Disc Herniation
- Protrusion
The base of the herniated disc material is broader than the apex.
Types of Disc Herniation
- Extruded Disc Herniation
The base of the herniation is
narrower han the apex (toothpaste sign)
Types of Disc Herniation
- The Third Type?
Regions Affected by Disc Herniation
Epidemeology of Lumbar Disc Prolapse
Pathoanatomy of Lumbar Disc Prolapse
Prognosis of Lumbar Disc Prolapse
- 90% of patients will have improvement of symptoms within 3 months with nonoperative care
Reabsorbtion in Lumbar Disc Prolapse
- def
- Mechanism
- Type
Classification of Lumbar Disc Prolapse
- According to Location
- According to Anatomy
Classification of Lumbar Disc Prolapse
- Acoording to location
Classification of Lumbar Disc Prolapse
- Central Prolapse
- Often associated with back pain only
- May present with Cauda equina syndrome (surgical emergency)
Classification of Lumbar Disc Prolapse
- Posterolateral Prolapse (Paracentral)
Classification of Lumbar Disc Prolapse
- Foraminal Prolapse (Far Lateral, Extraforaminal)
Classification of Lumbar Disc Prolapse
- Axillary Prolapse
Can affect Both exiting and descending nerve roots