Ĉu kartilago aperas ĉe MR?
MRI on cartilage
MRI stands for magnetic resonance imaging. Ĝi estas speco de skanado, kiu uzas magnetan kampon, Ĉi tiuj aparatoj ricevas radioondojn kaj konvertas ilin en mekanikajn vibrojn en la dinamiko por krei sonondojn, kaj komputilo por krei detalajn bildojn de la interno de via korpo.
Male al Rentgena foto, which takes pictures of your bones, a knee MRI lets your doctor see your bones, cartilage, tendons, ligaments, muskoloj, and even some blood vessels. The test can show a range of problems, inkluzive:
- Damaged cartilage
- Torn tendons or ligaments
- Bone fractures
Your doctor may also order an MRI to see if you need knee surgery, or to see how well you’re healing after surgery.
Processes of an MRI-Cartilage
A typical MRI machine looks like large, hollow tube. Wearing a hospital gown or loose-fitting clothes, you’ll lie on an exam table that slides into the tube. For a knee MRI, you’ll go in feetfirst, and only your lower body will be in the tube. Expect to hold still for around 15 al 45 minutoj, sometimes longer, while the machine makes images of your knee.
Kelkfoje, you’ll get a special dye injected into your arm before the exam. It’s called a contrast agent, and it helps make the images of your knee even clearer. You may feel a cool sensation after you get the injection.
During the exam, you’re usually alone in the room. An MRI technologist will be outside, performing the exam from a computer. She can see you the whole time and will talk to you via a two-way intercom.
You won’t feel anything during the scan. But if it’s your first MRI, you may be surprised by how loud it is. The machine makes thumping, knocking, and humming sounds. The technologist will probably offer you headphones or earplugs. If she doesn’t, you can ask for them.
After the exam, the technician will send images to a radiologist, who will send a report to your doctor. You’ll be able to drive yourself home and continue your day as you normally would.
Precautions to take on MRI
- Body piercings
- Hearing aids
If you have metal inside your body, like from shrapnel or a medical device, be sure to tell your doctor or the technologist about it before you have the MRI. You may still be able to get the test. But there are some types of metal implants that mean you should not get the test:
- Cochlear implant
- Most cardiac defibrillators and pacemakers
- Some types of metal clips, such as those that treat brain aneurysms