MR MYLOGRAM ONLY (CERVICAL/DORSAL/LUMBAR) ANY ONE REGION at Dr. Essa Lab

MR MYLOGRAM ONLY (CERVICAL/DORSAL/LUMBAR) ANY ONE REGION at Dr. Essa Lab

Magnetic Resonance Myelography, commonly referred to as an MR Myelogram, is a highly specialized, non-invasive diagnostic imaging technique used to evaluate the spinal canal, subarachnoid space, cerebrospinal fluid (CSF) pathways, and exiting spinal nerve roots. Unlike conventional myelography, which requires an invasive lumbar puncture to inject iodinated contrast media directly into the spinal canal under fluoroscopic guidance, an MR Myelogram utilizes advanced magnetic resonance imaging sequences to achieve high-contrast visualization without any invasive procedures, needles, or ionizing radiation. At Dr. Essa Lab, this advanced diagnostic service is offered for any single region of the spine, including the cervical (neck), dorsal/thoracic (mid-back), or lumbar (lower back) region, depending on the patient’s clinical presentation and the referring physician’s recommendations.

The technology behind an MR Myelogram relies on heavily T2-weighted magnetic resonance sequences. In these specific sequences, static or slow-moving fluids, such as the cerebrospinal fluid surrounding the spinal cord and nerve roots, emit a highly intense, bright white signal (hyperintensity). Conversely, solid surrounding structures, including the vertebral bones, intervertebral discs, epidural fat, and paraspinal ligaments, appear dark or black (hypointensity). This extreme contrast creates a detailed projection image of the spinal canal that closely resembles a conventional radiographic myelogram. It allows consultant radiologists to clearly visualize the boundaries of the spinal canal, the patency of the subarachnoid space, and any external compressions or structural abnormalities affecting the delicate neural elements.

The clinical importance of this examination lies in its exceptional sensitivity for detecting subtle pathologies within the spinal canal. Whether evaluating the cervical spine for myelopathy, the dorsal spine for cord compression, or the lumbar spine for severe spinal stenosis and nerve root impingement, an MR Myelogram provides invaluable anatomical detail. It serves as an essential tool for neurosurgeons and orthopedic spine specialists when planning surgical interventions, assessing post-operative complications, or investigating complex spinal symptoms that standard MRI sequences may not fully clarify. By offering a clear, high-contrast map of the CSF space, this test helps clinicians differentiate between intrinsic spinal cord lesions, extradural compressions, and cerebrospinal fluid leaks, ensuring an accurate diagnosis and a targeted treatment plan.

Clinical Procedure: What to Expect

Patient Preparation

Preparing for an MR MYLOGRAM ONLY (CERVICAL/DORSAL/LUMBAR) ANY ONE REGION at Dr. Essa Lab is straightforward, as the procedure is non-invasive and typically does not require the administration of intravenous contrast agents. However, strict adherence to safety protocols is essential to ensure a safe and successful scan. Patients should observe the following preparation guidelines:

• No Fasting Required: Since this is a non-contrast MRI sequence, you may eat, drink, and take your regular medications as prescribed, unless specifically instructed otherwise by your physician.
• Wear Comfortable Clothing: It is recommended to wear loose, comfortable clothing without metal zippers, buttons, snaps, or metallic embroidery. You may be asked to change into a sterile patient gown before entering the MRI suite.
• Remove Metallic Objects: All metallic items, including jewelry, watches, hairpins, eyeglasses, hearing aids, removable dental work, and body piercings, must be removed as they can interfere with the magnetic field and degrade image quality.
• Disclose Medical Implants: You must inform the MRI technologist if you have any implanted medical devices, such as cardiac pacemakers, implantable cardioverter-defibrillators (ICDs), cochlear implants, brain aneurysm clips, metallic stents, or artificial joints. Some implants are MRI-unsafe, while others require specific scanner settings.
• Inform About Pregnancy: If you are pregnant or suspect you might be, please inform the diagnostic staff. While MRI does not use ionizing radiation, safety precautions are always exercised, particularly during the first trimester.
• Bring Previous Records: Bring any prior spine imaging reports, such as X-rays, CT scans, or standard MRI studies, to assist the consultant radiologist in comparative analysis.

During the Procedure

Upon entering the MRI examination room at Dr. Essa Lab, you will be assisted onto the padded, motorized scanner table. The clinical procedure follows a structured workflow to ensure patient comfort and high-quality image acquisition:

• Patient Positioning: You will lie flat on your back (supine position) on the MRI table. A specialized surface coil, designed specifically for spinal imaging, will be positioned underneath or around the target region (cervical, dorsal, or lumbar spine) to capture high-resolution signals.
• Entering the Scanner: The motorized table will gently slide into the bore of the MRI machine. The scanner is well-lit and ventilated, and a constant stream of fresh air will flow through the tunnel to ensure your comfort.
• Staying Still: It is absolutely critical to remain completely still throughout the scan. Even minor movements can cause motion artifacts, blurring the images and potentially requiring sequences to be repeated.
• Acoustic Protection: During the scan, the MRI machine will produce loud, rhythmic knocking, thumping, or humming noises. These sounds are a normal part of the imaging process as the gradient coils switch on and off. You will be provided with earplugs or specialized headphones to reduce the noise.
• Communication: The MRI technologist will monitor you continuously from an adjacent control room through a large viewing window. An intercom system allows two-way communication, and you will be given a handheld safety squeeze bulb to alert the technologist immediately if you experience any discomfort.
• Scan Duration: The MR Myelogram sequences for a single region typically take between 20 to 30 minutes to complete. Once the sequences are verified for quality, the table will slide out, and you will be assisted off the platform.

When is a MR MYLOGRAM ONLY (CERVICAL/DORSAL/LUMBAR) ANY ONE REGION Performed?

Evaluation of Spinal Canal Stenosis

Spinal canal stenosis refers to the abnormal narrowing of the central spinal canal, which can put pressure on the spinal cord and exiting nerve roots. This condition is most common in the cervical and lumbar regions, often resulting from degenerative joint disease, ligamentous hypertrophy, or osteophyte formation. Patients frequently experience symptoms such as radiating pain, numbness, tingling, and progressive muscle weakness in the extremities, or neurogenic claudication (difficulty walking due to leg pain and cramping). An MR Myelogram is performed to clearly delineate the degree of central canal narrowing, mapping the exact areas where the cerebrospinal fluid space is compromised and helping physicians determine if surgical decompression is necessary.

Assessment of Herniated Discs and Nerve Root Compression

When an intervertebral disc herniates, its soft inner core protrudes through the outer fibrous ring, potentially compressing nearby spinal nerves. This can lead to severe radiculopathy, such as sciatica in the lumbar spine or radiating arm pain in the cervical spine. Physicians request an MR Myelogram to evaluate the precise spatial relationship between the herniated disc material and the nerve root sleeves. Because the MR myelogram highlights the CSF surrounding each nerve root, it clearly demonstrates any filling defects or cut-offs of the nerve root sleeves, allowing the radiologist to confirm the exact level and severity of the nerve compression.

Detection of Cerebrospinal Fluid (CSF) Leaks

Cerebrospinal fluid leaks can occur spontaneously, following trauma, or as a complication of spinal surgery or lumbar puncture. A leak of CSF leads to intracranial hypotension, which characteristically causes severe, positional headaches that worsen when upright and improve when lying flat. An MR Myelogram is an exceptionally sensitive, non-invasive method for detecting CSF leaks. It allows radiologists to visualize extradural fluid collections and trace the abnormal accumulation of fluid back to the site of the dural tear, providing crucial anatomical guidance for targeted treatments such as an epidural blood patch or surgical repair.

Investigation of Spinal Tumors and Masses

Spinal tumors, whether benign or malignant, can arise within the spinal cord itself (intramedullary), within the dural sac but outside the cord (intradural-extramedullary), or outside the dura (extradural). These masses can compress the spinal cord and nerve roots, leading to progressive neurological deficits, sensory loss, and localized back pain. An MR Myelogram is highly effective in demonstrating the mass effect of these tumors on the subarachnoid space. By showing how the tumor displaces or obstructs the normal flow of hyperintense cerebrospinal fluid, the scan helps neurosurgeons characterize the lesion’s location, extent, and impact on surrounding neural structures.

Post-Surgical Evaluation of the Spine

Patients who have undergone spinal surgery may sometimes experience persistent or recurrent symptoms, a clinical scenario often referred to as failed back surgery syndrome. Distinguishing between recurrent disc herniation, post-operative scar tissue (epidural fibrosis), and complications like a pseudomeningocele (an abnormal collection of CSF leaking through a dural defect) can be challenging with standard imaging. An MR Myelogram is performed in these complex cases to evaluate the patency of the spinal canal post-surgery, identify any dural tears or fluid collections, and assess the degree of decompression achieved, providing clear diagnostic answers to guide further management.

What Does a MR MYLOGRAM ONLY (CERVICAL/DORSAL/LUMBAR) ANY ONE REGION Detect?

An MR Myelogram is a highly sensitive diagnostic tool capable of identifying a wide range of structural, degenerative, inflammatory, and neoplastic pathologies within the spinal canal. The scan can detect:

• Central spinal canal stenosis (narrowing of the main spinal canal)
• Lateral recess stenosis (narrowing of the space where nerve roots exit the central canal)
• Neural foraminal narrowing and stenosis
• Intervertebral disc herniations, including protrusions and extrusions
• Free disc fragments or sequestered disc material within the spinal canal
• Osteophyte formation (bone spurs) causing mechanical compression
• Hypertrophy (thickening) of the ligamentum flavum
• Spondylolisthesis and associated spinal canal narrowing
• Nerve root impingement and compression syndromes
• Nerve root sleeve avulsion or traumatic nerve root injuries
• Spontaneous or traumatic cerebrospinal fluid (CSF) leaks
• Pseudomeningoceles (post-surgical extradural fluid collections)
• Arachnoid cysts within the spinal subarachnoid space
• Perineural (Tarlov) cysts along the nerve roots
• Intradural-extramedullary tumors, such as meningiomas and schwannomas
• Intramedullary spinal cord tumors, including ependymomas and astrocytomas
• Spinal cord compression and displacement
• Myelomalacia (spinal cord scarring or softening due to chronic compression)
• Syringomyelia (syrinx formation or fluid-filled cavities within the spinal cord)
• Spinal arachnoiditis (chronic inflammation and clumping of nerve roots)
• Epidural lipomatosis (excessive fat accumulation compressing the dural sac)
• Spinal vascular malformations, including dural arteriovenous fistulas
• Congenital spinal anomalies, such as tethered cord syndrome
• Spinal trauma, including vertebral fractures with bone fragment displacement into the canal
• Epidural abscesses or infectious fluid collections compressing neural structures
• Discitis and osteomyelitis with associated epidural inflammatory mass effect

Turnaround Time and Report Access at Dr. Essa Lab

At Dr. Essa Lab, we understand that timely diagnostic results are crucial for effective clinical decision-making and patient peace of mind. Once your MR Myelogram scan is completed, the high-resolution raw data is processed to generate detailed multiplanar reconstructions. These images are then thoroughly reviewed and interpreted by our highly qualified consultant radiologists, who specialize in neuroradiology and musculoskeletal imaging.

The official diagnostic report, detailing all anatomical findings, normal parameters, and detected abnormalities, is typically finalized and available within 24 to 48 hours of the scan. Dr. Essa Lab offers multiple convenient methods for patients to access their reports. You will receive an SMS notification containing a direct link to download your digital report as soon as it is signed off by the radiologist. Alternatively, patients can log into the secure online portal on the official Dr. Essa Lab website to view and print their reports and access their digital imaging films. Physical copies of the report and high-resolution imaging films can also be collected directly from the diagnostic center where the procedure was performed.

MR MYLOGRAM ONLY (CERVICAL/DORSAL/LUMBAR) ANY ONE REGION Findings Overview

The following table provides an overview of the anatomical structures and parameters evaluated during an MR Myelogram of a single region, along with typical normal findings and possible abnormal findings:

Structure / Parameter Evaluated	Normal Findings	Possible Abnormal Findings
Spinal Canal Patency	Adequate canal diameter; unobstructed flow of cerebrospinal fluid (CSF).	Central canal stenosis; severe narrowing; CSF flow obstruction.
Nerve Root Sleeves	Symmetrical, well-defined nerve root sleeves filled with hyperintense CSF.	Filling defects; compression; nerve root sleeve cut-off or avulsion.
Subarachnoid Space	Uniform, continuous hyperintense CSF signal surrounding the spinal cord.	Compression by extradural masses; CSF leaks; extradural fluid collections.
Intervertebral Discs	Normal disc height; no posterior protrusion or displacement into the canal.	Disc herniation, protrusion, or extrusion compressing the dural sac.
Spinal Cord Signal	Normal caliber, position, and uniform internal signal intensity.	Spinal cord compression; myelomalacia (hyperintense T2 signal); syrinx.
Ligaments & Bones	Normal ligamentous thickness; intact vertebral alignment and bone margins.	Ligamentum flavum hypertrophy; osteophyte formation; spondylolisthesis.
Extradural Space	No abnormal fluid collections, masses, or tissue accumulation.	Pseudomeningocele; epidural abscess; epidural lipomatosis; hematoma.

Note: Diagnostic findings should always be interpreted by a qualified healthcare professional together with the patient’s symptoms, medical history, physical examination, laboratory investigations, previous imaging studies, and other relevant clinical information. Additional investigations or specialist consultation may be recommended depending on the findings.

Why Choose Dr. Essa Lab for MR MYLOGRAM ONLY (CERVICAL/DORSAL/LUMBAR) ANY ONE REGION?

• Experienced Healthcare Professionals: Our team includes highly trained, board-certified consultant radiologists specializing in neuroradiology to ensure precise image interpretation.
• State-of-the-Art Technology: Dr. Essa Lab utilizes modern, high-field MRI scanners capable of producing exceptionally detailed, high-resolution myelographic sequences.
• Non-Invasive Diagnostics: We prioritize patient safety by offering advanced MR sequences that eliminate the need for painful spinal needles or contrast injections.
• Convenient Locations: With an extensive network of diagnostic centers across Karachi and other major cities, accessing quality care is highly convenient.
• Patient-Focused Care: Our compassionate clinical staff and technologists are dedicated to ensuring your comfort, safety, and ease throughout the imaging process.
• Easy Online Report Access: Securely view, download, and share your diagnostic reports and imaging files anytime through our user-friendly online portal.
• Strict Quality Standards: Dr. Essa Lab maintains rigorous quality control protocols, ensuring accuracy and reliability in every diagnostic report we generate.
• Trusted Diagnostic Legacy: Serving the medical community and patients since 1987, we are committed to excellence in healthcare and diagnostic services.