Lumbar Spine Radiology Flashcards
What is the normal range for Interpediculate Distance at L1?
21-29 mm
What is the normal range for Interpediculate Distance at L2?
21-30 mm
What is the normal range for Interpediculate Distance at L3?
21-31 mm
What is the normal range for Interpediculate Distance at L4?
21-33 mm
What is the normal range for Interpediculate Distance at L5?
23-36 mm
What is the normal range for Lumbar Intervertebral Disc Angles at L1-L2?
8 degrees
What is the normal range for Lumbar Intervertebral Disc Angles at L2-L3?
10 degrees
What is the normal range for Lumbar Intervertebral Disc Angles at L3-L4?
12 degrees
What is the normal range for Lumbar Intervertebral Disc Angles at L4-L5?
14 degrees
What is the normal range for Lumbar Intervertebral Disc Angles at L5-S1?
14 degrees
What is the normal range for Lumbosacral Disc Angle at L5-S1?
10-15 degrees
What is the normal range for Lumbar Lordosis Angle?
50-60 degrees
What is the normal range for Lumbar Gravity Line?
Passes through anterior sacral base or up to 10 mm anterior
What is the normal range for Eisenstein’s Method for Sagittal Canal Measurement?
≥15 mm
What is the normal range for Lumbosacral Angle (Ferguson’s Angle)?
26-57 degrees (±7 degrees)
What does the Interpediculate Distance measure?
The minimum coronal width of the spinal canal, measured between pedicles.
What does the Lumbar Intervertebral Disc Angle indicate?
The angle formed by the endplates of two adjacent vertebrae, used to assess disc integrity.
What is the function of the Lumbar Gravity Line?
A vertical weight-bearing reference from L3 that should align with the anterior sacral base.
What does Eisenstein’s Method assess?
A sagittal measurement of the lumbar spinal canal to detect spinal stenosis.
What does an abnormal Ferguson’s Angle suggest?
A high or low angle may indicate lumbar hyperlordosis or hypolordosis, affecting spinal alignment.
