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Case of the Week 369




What's the most likely diagnosis?

  • 61 year-old male with back pain



Axial CT-Lumbar Spine

  1. Metastatic disease
  2. Aneurysmal bone cyst
  3. Fracture of transverse process
  4. Schmorl's node
  5. Enchondroma

Additional Image - Coronal reconstruction

 

Additional Image

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Coronal reconstruction of lumbar spine

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Answer:

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4. Schmorl's node

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More (Click Discussion Tab)


Schmorl's Node

General Considerations

  • Common (1/3 of population); more common in men than women
  • Extrusion, invagination, protrusion of intervertebral disc material through a break in the subchondral end plate of a vertebral body
  • The disk material is displaced into the vertebral body
  • Most common in thoracolumbar spine

    More ...


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