MRI of the pituitary gland with contrast - examination of the corresponding part of the head, which allows to determine the possible ailment with high accuracy, and also to consider in detail the anatomical structure of the main organ. The procedure is sent for suspicion of a tumor or Isenko-Cushing syndrome , which manifests itself in the form of hypertension, obesity and diabetes. In addition, it is prescribed with increased activity of the pituitary gland, which is observed from blood tests.
Preparation for MRI of the pituitary gland with contrast
This part of the procedure assumes clarification of the presence of allergic reactions to the administered substance - contrast. To do this, take a sample showing sensitivity to the drug. After that the special solution is injected 30 minutes prior to the beginning of the procedure. Most often it is entered only once. In some cases, contrast is given by means of a dropper throughout the entire examination cycle.
For the procedure, most often ask to wear a special gown. If the patient's habitual clothes do not have metal buttons or lightnings, and also it is made in a free cut-you can also wear it.
A few hours before the study it is desirable to give up eating, which will eliminate possible side effects, such as nausea or even vomiting. If the patient knows, he should tell the doctor about the presence of asthma and allergies to contrast.
How does a pituitary MRT with contrast?
Magnetic resonance examination affects not only the desired gland, but also the nearest region. It is difficult to notice any changes in this body. Therefore, special images with the maximum resolution are used. The protocol of examination of the pituitary gland differs from the standard scan of the brain.
MRI is carried out in a special apparatus. To make things work properly, you need to completely remove from the patient metal objects, including piercings and prostheses.
The person is placed inside on a flat surface with full fixation of the head. Usually the whole procedure takes about one hour.
Contraindications for the survey
There are some rare circumstances that make it impossible to carry out an MRI scan of the pituitary brain with contrasting:
- presence in the head area of metal objects that can not be removed: plates, inserts and others;
- Operated aneurysms with clips from metal;
- presence of pacemakers and other devices;
- ferromagnetic implant of the middle ear.
In addition, there are some relative contraindications:
- claustrophobia;
- pregnancy;
- metal parts in parts of the body that do not need to be inspected;
- dental implants;
- tattoos with ink containing metal crumb;
- obesity;
- heart failure.