Lumbar Spine MRI

Two examinations can both be called a 3T lumbar spine MRI while acquiring very different amounts of anatomical information.

MRI quality depends on the scanner, but also on protocol design, acquired spatial resolution, sequence selection, nerve-specific imaging, motion control and specialist interpretation. Your existing 3T article already correctly makes this point: 3T provides technical opportunity, but protocol design remains critical. MBR Health

At MBR Health, selected lumbar spine MRI protocols can include:

High-resolution source imaging below 1 mm — where clinically appropriate, detailed source data are acquired rather than simply displaying thicker source data as thinner reconstructed slices.

NerveVIEW MR neurography — dedicated nerve imaging for selected patients with sciatica, burning pain, numbness, tingling or other neuropathic symptoms.

Non-invasive MR Discography — advanced MRI assessment of disc and annular pathology without puncturing or pressurising the disc.

Specialist spinal radiologist interpretation — imaging interpreted in the context of spinal anatomy, common incidental degenerative findings and the clinical question.

Integration with spinal intervention — where imaging identifies a plausible treatment target, MBR Health also provides specialist image-guided spinal procedures. An abnormal MRI does not automatically mean an injection is required.

For more on why MRI protocol design matters please review our Patient Guide on
What Does 3T MRI Mean? Why Protocol Design Still Matters

A lumbar spine MRI can provide detailed assessment of:

Intervertebral discs — degeneration, protrusion, extrusion, annular abnormalities and loss of disc height.

Nerve roots and neural foramina — compression, displacement and narrowing that may correlate with sciatica or neurological symptoms.

Spinal canal — central and lateral recess stenosis.

Facet joints — degeneration, inflammation and structural change.

Vertebrae and bone marrow — fracture, oedema, infection, tumour and other marrow abnormalities.

Ligaments and surrounding soft tissues — selected structural or inflammatory abnormalities.

Post-operative anatomy — recurrent symptoms, scar-related change, residual or recurrent compression and other complications after spinal treatment or surgery.

Importantly, lumbar MRI commonly demonstrates abnormalities in people who do not have significant pain. Imaging findings therefore need to be interpreted in the context of the patient’s symptoms and clinical history.

Lumbar spine MRI may help investigate conditions including:

Lumbar disc herniation — including disc protrusion and extrusion that may contact or compress a nerve root.

Degenerative disc disease — structural disc degeneration, loss of disc height and associated endplate abnormalities.

Sciatica and radiculopathy — assessing potential structural causes such as disc herniation, foraminal stenosis or lateral recess narrowing.

Lumbar spinal stenosis — narrowing of the spinal canal or neural exit pathways.

Spondylolisthesis — vertebral displacement and its effect on surrounding neural structures.

Facet-joint degeneration — structural arthropathy affecting the posterior elements of the spine.

Stress, fracture and bone-marrow abnormalities — including oedema and selected occult injuries.

Infection or tumour — where the clinical presentation raises concern for more serious pathology.

Post-operative spinal symptoms — including recurrent or residual compression and other structural causes of persistent symptoms after surgery.

MRI findings do not always correlate directly with symptoms. The purpose of specialist interpretation is therefore not simply to list abnormalities, but to consider which findings may be relevant to the clinical question.

A lumbar spine MRI may be considered when there is an appropriate clinical indication such as:

• persistent or recurrent lower back pain;
• sciatica or pain radiating into the leg;
• numbness, tingling or weakness;
• suspected disc herniation or nerve compression;
• suspected lumbar spinal stenosis;
• significant spinal injury;
• previous lumbar spine surgery;
• unexplained neurological symptoms;
• concern regarding infection, tumour or other significant pathology; or
• when a spinal injection or surgical treatment is being considered.

Not every episode of acute lower back pain requires MRI. For uncomplicated lower back pain that is improving, conservative management is often appropriate initially.

Read the MBR Health Lower Back Pain pathway

MRI uses a strong magnetic field, radiofrequency energy and specialised receiver coils to generate detailed images of the body without using ionising radiation.

For a lumbar spine MRI, sequences are specifically designed to assess the discs, vertebrae, bone marrow, spinal canal, neural foramina, facet joints and nerve roots.

At MBR Health, the exact lumbar MRI protocol can be adapted according to the referral and clinical question. Selected examinations may incorporate higher-resolution source imaging, NerveVIEW MR neurography or specialised disc imaging where these techniques are likely to provide useful additional information.

A lumbar MRI is a diagnostic examination. It does not itself treat lower back pain; its purpose is to help identify abnormalities that may explain symptoms and guide appropriate clinical management.

A degenerative disc on MRI is not automatically a painful disc.

Disc degeneration, annular abnormalities and disc bulges are common and may also be present in people without significant symptoms.

For selected patients, MBR Health can incorporate non-invasive MR Discography into advanced lumbar MRI assessment.

This is different from conventional provocative discography, which involves inserting a needle into the intervertebral disc and injecting fluid or contrast under pressure.

MBR Health’s MR Discography is an MRI-based technique that provides additional information about disc and annular pathology without puncturing or pressurising the disc.

MR Discography does not independently prove that a particular disc is the source of pain. Its findings need to be interpreted together with conventional MRI, symptoms, neurological findings and the clinical history.

For information on PRP for disc related pain please see our article PRP for Disc-Related Pain on our Insights Page.

MRI slice thickness can describe either the information actually collected during the scan or the way those data are subsequently reconstructed and displayed.

At MBR Health, selected advanced lumbar spine protocols use source data acquired at less than 1 mm where clinically appropriate.

This is different from acquiring thicker data and subsequently reconstructing it into apparently thinner slices.

Post-processing can improve image appearance and sampling, but it cannot make a lower-resolution source acquisition equivalent to genuinely high-resolution source information.

For complex spinal anatomy, high-resolution source acquisition can assist multiplanar assessment of small structures around the discs, neural foramina, nerve roots and spinal canal.

Please read our Insight on How to Read an MRI to assist with interpreting the slice thickness your MRI is presented (please note this may not reflect the actual acquisition but the resconstruction)

Pregnancy does not automatically prevent MRI.

MRI does not use ionising radiation. When imaging is clinically necessary during pregnancy, the indication and examination should be considered by the referring practitioner and imaging team. Gadolinium contrast is generally avoided during pregnancy unless there is a compelling clinical indication.

If you are pregnant or may be pregnant, tell the MBR Health team when booking so your examination can be appropriately reviewed.

Lumbar spine MRI at MBR Health is interpreted within a specialist radiology practice with particular experience in spinal imaging and image-guided spinal intervention.

Dr Zane Sherif, specialist radiologist and Principal Radiologist at MBR Health, has a particular clinical interest in spinal imaging and spinal intervention. Before specialising in radiology, his background included approximately three years of orthopaedic surgical training with significant spinal surgical exposure.

His current practice combines advanced cervical, thoracic and lumbar MRI interpretation with image-guided spinal procedures.

This combination is particularly useful in complex cases where the question is not simply:

“What abnormalities are visible?”

but:

“Which abnormality is most likely to matter?”

Your current Dr Sherif page already emphasises this distinction and the role of NerveVIEW/MR Discography and spinal intervention. MBR Health

Read about Dr Zane Sherif’s spinal imaging and intervention experience

MBR Health provides advanced 3T lumbar spine MRI at Mermaid Beach on the Gold Coast, Queensland.

Depending on the clinical question, selected examinations can incorporate high-resolution sub-1 mm source acquisition, NerveVIEW MR neurography and non-invasive MR Discography, supported by specialist radiologist interpretation and access to image-guided spinal intervention where clinically appropriate.

Patients can attend MBR Health from across the Gold Coast and South East Queensland, including those travelling from Brisbane or all over Australia for complex spinal imaging.

Yes. MBR Health is located in Mermaid Beach on the Gold Coast and sees patients travelling from Brisbane and elsewhere in Queensland and Australia for advanced diagnostic imaging.

Patients travelling some distance can submit their referral before attending so the required examination and protocol can be reviewed in advance.