How much contrast is injected for a myelogram?

How much contrast is injected for a myelogram?

The X-ray machine will be used to guide the radiologist locating the place for the injection and passing the needle into this spot. Iodine containing contrast medium, usually approximately 10 mL, is then injected into the fluid around the spinal cord.

Does myelogram need contrast?

A myelogram is a diagnostic imaging test generally done by a radiologist. It uses a contrast dye and X-rays or computed tomography (CT) to look for problems in the spinal canal.

Where is contrast injected in a cervical myelogram?

The contrast material usually is injected into the lower lumbar spinal canal, because it is considered easier and safer. Occasionally, if it is deemed safer or more useful, the contrast material will be injected into the upper cervical spine.

What contrast is used for myelogram?

iodine: a non metallic element used in contrast agent that makes vessels and tissues show up on diagnostic imaging (angiogram, CT, myelogram).

How long does your back hurt after a myelogram?

You may feel soreness at the needle insertion site for 2-3 days.

How long does myelogram dye last?

When you go home: After the exam, there is usually no need to remove the contrast material from your spinal canal. Myelographic contrast material is absorbed by your body and eliminated naturally through your kidneys by urination within 1-2 days.

How painful is a myelogram?

How does it feel? You will feel a quick sting from a small needle that has medicine to numb the skin on your back. You will also feel some pressure as the long, thin spinal needle is put into your spinal canal. You may feel a quick, sharp pain down your buttock or leg when the needle is moved in your spine.

What is the most common clinical indication for a myelogram?

What are the generally accepted indications for a myelogram?

• In patients who require imaging as a result of a clinical diagnosis of nerve root, thecal sac or spinal cord compression from disc, tumour or spinal stenosis, where MRI is:
• In patients with clinical symptoms and signs of a CSF leak.

Why is Myelogram so painful?

How bad is a myelogram?

RISKS: A myelogram may increase your risk for a headache, neck or back pain, nausea, or vomiting. You may have bleeding or spinal fluid may leak from the injection site. The procedure may cause injury to a disc, nerves, or your spinal cord.

What is the maximum dose of contrast for a cervical myelogram?

* Total dose of contrast should not exceed 3.0 gm of iodine. For cervical myelograms from a lumbar approach use 10 mL of 300 mg/mL. Only gold members can continue reading.

What are the myelogram protocols for myelography?

Myelography Protocols Myelogram Type Iodinated Contrast Concentration (mg/mL) Suggested Amount (mL) * Lumbar 180-210 5-15 Cervical 180-210 5-10 Thoracic 240 10 Complete 240 10

What is the preferred approach to cervical myelography in the US?

Almost 80% of departments favor a lumbar approach to cervical myelography; however, 92% reported that they would perform a lateral C1–C2 puncture if lumbar access was unsuccessful. Over 60% also reported performing lateral C1–C2 puncture for obtaining CSF within the year preceding the survey [ 1 ].

What happens if you tilt the patient during a cervical myelogram?

When doing a cervical myelogram from the lumbar route, if you see contrast outlining the basilar artery along the clivus or if the patient complains of headache, tilt the patient back down because contrast media is going up into the head and may induce seizures.