discography (also known as a discogram) is a diagnostic method used to decide if one or extra discs are the motive of back ache. the system involves pressurizing discs by injecting them with a sterile liquid to induce pain inside the affected discs. this video presents whole facts and diagrams on discography.
everyday x-rays of the spine best give a clear photo of bones, along with the vertebrae. myelograms handiest deliver a clear photo of the spinal canal. discograms, however, enable your physician to view the disc itself. while viewing an x-ray reveal, referred to as a fluoroscope, the health practitioner inserts the hollow needle thru your pores and skin into the middle of the disc area. a fluoroscope machine, additionally known as a c-arm, is an arc formed piece of gadget that generates x-rays from one aspect and pics them on the alternative aspect. as soon as the needle is in area, a dye (contrast agent) is injected into the disc that shows up white at the x-rays.
a discogram works in two approaches—both to view your disc and to discover the source of your ache. your physician injects the dye into your disc area to try to recreate the pain. in case you sense pain, then that disc is the probably source of your ache. if you don't sense the same type of pain—even though that disc seems degenerated at the mri experiment—then other feasible reasons of your ache need to be explored.
a discogram is used to assess a painful or degenerative disc. if the assessment dye spreads outdoor the center of the disc, it may imply that the disc annulus has tears or has ruptured. the results of a discogram may also verify the need for surgical operation, in addition to decide the exact cause of your again pain, with a purpose to boom the chance of a high-quality final results from surgical operation.
a radiologist will carry out the test in the radiology department of the hospital or at an outpatient imaging center.
whilst a discogram is extraordinarily safe, there are some risks associated with the check. a few people are sensitive to the dye, or comparison agent, that is injected into the disc. tell your physician if you had an allergic reaction to x-ray dye or xylocaine, or in case you are allergic to medicine.
be sure to tell the medical doctor in case you are pregnant or have a records of hypersensitive reactions (to medicinal drugs, previous iodine injections, or shellfish), diabetes, bronchial asthma, a coronary heart circumstance, kidney troubles, or thyroid situations. also tell them if you take any blood thinning medicinal drug such as aspirin or coumadin.
there's a slight chance (much less than one-10th of 1 percent) of disc space contamination. additionally, because the needle passes so close to the nerve root, there's a small chance of nerve root harm. notify your nurse if you note any ache, swelling or bleeding.