MRI (Magnetic Resonance Imaging) is an examination that visualizes all the organs of our body, and in particular soft tissues (as opposed to bones).

Unlike the scanner, MRI does not use X-rays. It is not an irradiating examination. It uses an electromagnetic field and radio waves.

MRI allows:

  • analyze their structure,
  • look for malformations,
  • identify inflammation, abscess,
  • to highlight a tumor, to know its exact size, its extension in the 3 planes of space, its cancerous or benign nature.
  • visualize haemorrhage and the formation of a hematoma,
  • visualize ischemia (that is, an organ or part of a blood-deprived organ).


MRI provides a series of vertical or horizontal organ cuts. It is possible to inject a contrast product, it is not an iodized product, so there is no risk of allergy to this product. Thanks to the contrast medium, the organs are better visualized.

The procedure is scanned and the images can be saved on digital media. So we look at them on a computer screen.

How is an MRI done?

The MRI room is furnished with an examination table surrounded by a large ring which is constituted by a powerful magnet and radio antennas. Part of the room is separated from the main area by a protective glass behind which is located a dashboard, where the staff sees the patient, converses with him and directs the machine.

The patient after having been informed of the way the exam is taking place, lies down on the table. A nurse places a small catheter (hose) in a vein of the arm to easily inject, if necessary, a contrast medium.

As the machine makes noise, it is sometimes proposed a headset that plays music.

He is put a bell in his hand to call if necessary during the examination. He is asked not to move during the entire examination and it is important to obtain quality images.

Popular Posts

Category M At The Doctor, Next Article

Meniscus operation: The operation itself - M At The Doctor
M At The Doctor

Meniscus operation: The operation itself

Depending on the patient, knee meniscus surgery is performed by general anesthesia, either by epidural or by rachi-anesthesia (loco-regional). Here, in more detail how the operation itself ... In more than 90% of cases, the orthopedic surgeon performs meniscal surgery under arthroscopy. Using fine instruments, including a thin probe with a mini camera at its end, the surgeon operates the meniscus by watching a television screen transmitting what the arthroscope visualizes in the joint
Read More
All about genital mycosis: The advice of the gynecologist - M At The Doctor
M At The Doctor

All about genital mycosis: The advice of the gynecologist

The advice of Dr. Gregory Akerman, gynecologist-obstetrician. What are the typical signs of mycosis? Itching and vulvar and vaginal burns, losses called leucorrhea, curd-like appearance. Fungus is a purely local infection, so there is no risk of spreading to other organs of the genital tract such as the fallopian tubes, uterus or ovaries
Read More
Hysterectomy: Should we continue the smears? - M At The Doctor
M At The Doctor

Hysterectomy: Should we continue the smears?

After a hysterectomy: should we continue to smear? After a hysterectomy performed for cervical cancer, smears should be continued because the lesion can spread in the vagina. Similarly if during this hysterectomy, the cervix has not been removed, it is obviously necessary to continue the smear. But in the case of a total hysterectomy where there was no cancer, there is no reason to continue them
Read More
Colonoscopy - M At The Doctor
M At The Doctor

Colonoscopy

Colonoscopy is an examination that visualizes the inside of the rectum and colon. It is usually asked when abnormal digestive symptoms occur, especially the presence of blood in the stool. What is colonoscopy? A fine pipe provided at its end with a mini-camera and a cold light is introduced by the natural channels, that is to say by the anus
Read More