Myelogram
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AP / Lateral / Obliques of involved spine

IMAGE RECEPTOR
Patient position
Prone on fluoro table; tilted as needed to move contrast.
Part position
Lumbar puncture (L3–L4); non-ionic contrast injected into subarachnoid space.
Central ray
Perpendicular to area of interest (cervical, thoracic, or lumbar).
IR placement
Per region.

Tech pearls

  • Patient lies flat 4–6 hr post-procedure to prevent spinal headache.
  • Almost always followed by post-myelogram CT for cross-sectional detail.
Series overview