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MRI- An Imaging Study To Diagnose The Diseases

Magnetic resonance imaging is a modern method for studying the structure, condition, and function of internal organs. It is based on the measurement of electromagnetic waves emanating from body tissues. These signals are transmitted to a computer, which decodes them and converts them into an image. The obtained data is analyzed and evaluated by a specialist conducting an MRI.

Modern equipment allows obtaining a three-dimensional image of the internal organs so that the study has high information content. MRI helps to identify a large number of diseases that are not so accurately diagnosed using other methods.

MRI has great advantages over invasive and radiographic methods, as it is a safe and comfortable procedure. Due to this, the study is used in the diagnosis of diseases of many organs and systems:

  • Brain;
  • Vessels of the neck and brain;
  • Jaw and temporomandibular joint;
  • Joints;
  • Spinal cord;
  • Spine;
  • Abdominal organs;
  • Pelvic organs;
  • Respiratory system;
  • Endocrine system;
  • Lymphatic system;
  • Reproductive system.

One of the most common areas of magnetic resonance imaging in the diagnosis of diseases of the nervous system. MRI of the brain allows detecting tumors and determining the stage of their development, diagnosing problems with vessels, multiple sclerosis, and other pathologies.

Many patients are interested in - with MRI of the brain, radiation occurs, and is it dangerous? What dose of radiation does the body receive during the research? Is MRI Hazardous to Health?

MRI Radiation Level

Unlike X-rays and computed tomography (CT), patients receive a zero dose of radiation during an MRI scan, since this study is not based on ionizing radiation, but on electromagnetic effects.

The effect of a magnetic resonance imager is comparable to that of a cell phone or microwave. MRI done by MRI test labs in Delhi does not cause irregularities in the structure, condition, and function of tissues and organs, being at the same time a highly accurate diagnostic method.

Therefore, you can be sure that there is no radiation during an MRI scan of the brain.

Magnetic resonance imaging in oncopathology?

Patients with oncologic MRI are prescribed with the use of a contrast agent - to increase the information content of the study: this allows a detailed study of the tumor and its vascular network. Due to the high precision and diagnosis, the most effective treatment is prescribed.

The absence of irradiation provides the possibility of using MRI for cancer patients with confirmed diagnoses of various malignant tumors, which are not recommended for X-ray methods. X-ray and computed tomography due to ionizing radiation harm the tissues of the body: cause changes in DNA and adversely affect the already existing pathological processes. Electromagnetic effects during MRI are safe for both tumors and healthy tissues and organs.

How often can I do magnetic resonance imaging?

In the absence of contraindications, MRI may be prescribed - depending on the disease and the characteristics of its course - as often as necessary to develop an effective treatment plan or to correct it. Since the procedure is safe for the body, it can be carried out with a minimum time interval.

The frequency of an MRI can only be determined by a doctor. If there is an urgent need or in accordance with the developed plan of dynamic observation, the study is carried out several times in one day.

MRI Scan during Pregnancy

MRI of the uterus is one of the imaging methods that can be used during pregnancy. The question of the safety of the method and its impact on the health of the baby worries the future mother most of all. Do I need to undergo MRI of the uterus during pregnancy, or is it better to postpone the examination until the birth?

The essence of the method

To obtain an image in magnetic resonance imaging using a magnetic field. This is different from computed tomography, which uses ionizing radiation that negatively affects growing cells. Under the control of the magnetic field, the hydrogen atoms change the vector direction to the opposite, which is accompanied by the release of energy, the amount of which is recorded by the system of data collection apparatus. Since the content of hydrogen atoms in the tissues is very different, then the amount of energy released will be different. In the resulting image, the neighboring structures have the form of areas with different brightness, which allows the MRI test labs in Delhi to conclude their condition.

The first group includes:

  • Any abnormalities in the structure of the fetal organs established by ultrasound;
  • Burdened family history - the presence of severe developmental abnormalities in previous children, close relatives;
  • Changes in laboratory tests, indicating possible impairments in the growth and development of the child;
  • The impact of factors that adversely affect pregnancy;
  • The likelihood of traumatic injury to the fetus and amniotic structures;
  • Suspicion of intrauterine infection;
  • Multiple pregnancies.

Not long ago, the MRI of the uterus during pregnancy was hindered by the movements of the child, but with the help of modern equipment, you can get high-quality images at any time.

Indications for MRI of the uterus during pregnancy

MRI of the uterus during pregnancy allows you to see the organs of the small pelvis - the uterus, appendages, bladder and rectum, fetus and amniotic structures. In this regard, the indications for MRI of the uterus during pregnancy are divided into two groups - from the fetus and the mother.

MRI of the uterus during pregnancy: how safe is it?

As a diagnostic method, magnetic resonance imaging has been used since the early 1980s. During this time, scientists have not received evidence of its negative impact on the child. However, pregnancy remains a relative contraindication to the study. MRI of the uterus during pregnancy is carried out only in cases where the ultrasound technique has completely exhausted its possibilities in a particular case, and the postnatal diagnosis will be inopportune. Also, in the first 12 weeks of pregnancy, when the organs of the fetus are actively laid down, MRI of the uterus is performed only if there are indications that threaten the life of the mother.

Experience shows the value of using MRI for imaging the uterus and pelvic organs in pregnant women. MRI done by MRI scan centre in Noida helps not only to diagnose, but also to make the right decision about carrying a baby, to work out the correct medical tactics and to control its effectiveness.

What are the Specialized Diagnostic Images for?

The diagnostic imaging tests that apply X - rays have been with nuclear medicine, the largest source of general population exposure to natural radiation in non- Western countries in recent decades. The introduction of new diagnostic techniques such as computed tomography (CT) has rapidly increased the number of doses of ionizing radiation received, with significant consequences not only for the individual patient but also for the total population. The burden of disease caused by excess radiation can be considered as a relevant public health problem that could be prevented.

Efforts have been made both from the FDA to reduce this exposure. Among them, they are:

-          Promotion of the use of safe medical tests, through the establishment of requirements for companies that develop image tests

-          Introduction in MRI Scan Centres in Noida of quality practices and accreditation systems, and recommendations for the establishment of reference doses for each type of test;

-          Quantification of exposure of the general population to radiation derived from medical tests;

-          Creation of a record of the history of the dose of radiation received from each patient, which could help in decision-making;

However, many of the strategies designed do not include the participation of the patient, when they should assume more responsibility in the decision to submit or not to an imaging test taking into account the potential risks as well as the benefits. If the objective is to establish useful recommendations aimed at reducing exposure to radiation, it is necessary to involve all the actors involved, not only the health professionals and companies that develop the technology, but also the patient who will undergo this test.

The inclusion of the patient in decision making is carried out through informed consent. However, its format and the procedure in which it is applied may have limitations in the implication of the patient's co-responsibility. It is essential to know how the population reacts to this radiological risk information, and on the other hand, to see the opinion of the doctor about the best way to inform the patient and what kind of information should be provided.

That is, knowing the attitudes of physicians and patients before the communication of risk/radiological benefit can be an essential factor for the incorporation of procedures in clinical practice that include co-responsibility doctor-patient and lead to the rational use of imaging tests.

Computed tomographies and magnetic resonances are available to physicians to be able to diagnose inappropriate way pathologies that affect the internal organs and tissues of their patients' bodies. The diagnosis of diseases is increasingly specialized and accurate in the world. Thanks to the technological advance in the medical field, achieved in the last decades, it is possible to evaluate in detail each organ and tissue of the body and, through specialized diagnostic images, and detect any anomaly that may occur in them.

The decision of which examination should be performed on each patient depends on various factors that are evaluated by both the attending CT scan centre and the radiologist. These specialists take into consideration, among other things, the type of tissue of the organs they want to analyze, the level of detail required, the characteristics and clinical history of the patient, their age and the general state of health.

Hence the importance of having, not only with high-quality equipment but with doctors highly specialized in radiology who can determine the needs of each patient and make the best possible use of the available machines. A good part of the success of the method of diagnostic images for the detection of diseases is in the interpretation by the experts of the results that the teams produce.

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