Lumbar Spine — Disc Herniation

Lumbar Spine — Disc Herniation

Musculoskeletal
All Phantoms

L4-L5 posterolateral disc herniation compressing the L5 nerve root with disc desiccation, annular tear, and foraminal narrowing

Modalities: CT MRI DIGITAL RADIOGRAPHY
Images: 3
Structures: 10
Compatible Instruments: 11
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Image Library

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MRI — Herniated Disc
MRI — Herniated Disc

Sagittal MRI showing disc protrusion into spinal canal

MRI Downloaded 2026-03-16
T2 Sagittal

https://commons.wikimedia.org/wiki/File:Hernie%20discale%20L4%20L5.png

MRI — Disc Herniation
MRI — Disc Herniation

MRI showing lumbar disc herniation with nerve root compression

MRI Downloaded 2026-03-16
T2 Sagittal

https://commons.wikimedia.org/wiki/File:Spinal%20disc%20herniation%20stage%203.jpg

MRI — Disc Herniation
MRI — Disc Herniation

MRI showing lumbar disc herniation with nerve root compression

MRI Downloaded 2026-03-16
T2 Sagittal

https://commons.wikimedia.org/wiki/File:Lumbar%20MRI%20t2-tse-rst-sagittal%2011.jpg

Tissue Structures

Structure Density (HU) T1 (ms) T2 (ms) Echo Rel. Size
Vertebral Body 200 400 50 0.85 19%
Cortical Bone 1200 300 1 0.95 8%
Normal Disc 60 1200 80 0.3 4%
Desiccated Disc 70 800 30 0.4 3%
Herniated Fragment 65 900 45 0.35 2%
Compressed Nerve 35 1100 85 0.0 1%
Spinal Cord 30 900 70 0.0 3%
Csf 5 4000 2000 0.0 3%
Muscle 40 900 35 0.4 14%
Fat -100 250 80 0.6 12%

Compatible Imaging Instruments

Model Manufacturer Modality
Aquilion ONE PRISM Canon Medical Systems CT
Vantage Galan 3T Canon Medical Systems MRI
SCENARIA View Fujifilm Healthcare CT
Revolution Apex GE HealthCare CT
SIGNA Hero GE HealthCare MRI
SIGNA Premier GE HealthCare MRI
Spectral CT 7500 Philips Healthcare CT
Ingenia Ambition 1.5T Philips Healthcare MRI
SOMATOM Force Siemens Healthineers CT
MAGNETOM Vida Siemens Healthineers MRI
MAGNETOM Terra.X Siemens Healthineers MRI