Condition and Treatments | Radiology, Imaging Services MGM


Technologically-advanced diagnostic and interventional imaging centre with state-of-the-art facilities for quick and accurate diagnosis

Welcome to the Department of
Radiology and Imaging Services at MGM Healthcare

Radiology and Imaging Services

What is Diagnostic Radiology?

It is a field of medicine that uses non-invasive imaging scans to diagnose the underlying condition causing a disease. The equipments used in diagnostic radiology creates highly detailed images of an area. Diagnostic radiology helps identify a wide range of conditions associated with heart conditions, blood lots, broken bones, neural conditions and gastrointestinal conditions. Doctors can also use diagnostic radiology to monitor how a treatment is progressing and how your body is responding.

What are the different types of Diagnostic Radiology used?

The different types of diagnostic radiology methods include the following:

  • Ultrasound
  • Coronary Calcium Scoring
  • Arthrogram
  • Computed Tomography (CT) Scans
  • Nuclear Medicine Scans
  • Radiography (X-Rays)
  • Virtual Colonoscopy
  • Fluoroscopy
  • Magnetic Resonance Imaging (MRI) Scans

Who is a radiologist?

A radiologist is a physician who has received specialized training in obtaining and interpreting medical images using x-rays (radiographs, CT, fluoroscopy), radioactive substances (nuclear medicine), sound waves (ultrasound) or magnets (MRI). A radiologist works connects your medical image to other examinations and tests. He recommends further examinations or treatments in coordination with your primary physician. Radiologists also treat diseases using radiation (nuclear medicine) or minimally invasive, image-guided surgery (interventional radiology).

What is Interventional Radiology?

Interventional radiology uses a wide range of diagnostic radiology techniques like X-ray, fluoroscopy, ultrasound, MRI, CT which are radiological image guiding techniques that is used to deliver precise targeted therapy. The interventional radiologist performs image guided procedures, providing pre-procedural and post-procedural care for patients receiving image guided surgeries and also help to guide and monitor response of those procedures.

What are the different types of interventional radiology procedures?

Interventional radiology procedures include the following:

  • Angioplasty
  • Stenting
  • Thrombolysis
  • Embolization
  • Radiofrequency Ablations
  • Biopsies

An MRI scan, unlike a CT scan or X-ray, does not use radiation to capture the images – it uses the property of magnetic resonance. An MRI scan combines images to create a 3D picture of the patient’s internal structures.

It is used to detect abnormalities in small structures of the brain such as the pituitary gland and brain stem. Sometimes a contrast agent (dye) is administered intravenously to better visualise certain structures or abnormalities.

How is it performed?
  • Before the scan begins, the patient is asked to change into a hospital gown and all metal objects, like jewellery, dentures and so on, must be removed.
  • While performing the scan, it is important that the patient lies still in order to obtain the clearest images. If they are unable to do so, a mild sedative might be given.
  • The patient lies down on a table that slides into the MRI machine.
  • Once the scan begins, the table slides into the machine till the part of the body that needs to be scanned is under the circular magnetic structure.
  • A technician then takes several images of the suggested area. The test normally takes 30 to 60 minutes.
  • The patient may be given a contrast solution through an IV, usually gadolinium, to take images of certain parts of the body, particularly the blood vessels.
  • Once the scan is completed, the table is pulled out of the machine and the patient can leave the room.
  • The images are then sent to the radiologist for examination.
  • The MRI scanner makes loud banging noises during the procedure. Our MRI scanner has a wide bore, specifically to cater to claustrophobic patients and an immersive audio-visual experience to help them stay calm.
  • There are no risks associated with an MRI scan. However, there is a slight chance of developing an allergic reaction to a contrast solution.

A computed tomography scan (CT scan) uses computers and rotating X-ray machines to create cross-sectional images of the body, taking a series of X-rays from different angles. These images provide more detailed information than normal

X-ray images as they create slices or cross-sections of the body. They may also be combined to produce a 3D image of a particular area of the body. They can show the soft tissues, blood vessels and bones in various parts of the body.

How is it performed?
  • Before the scan begins, the patient is asked to change into a hospital gown and all metal objects, like jewellery, dentures and so on, must be removed.
  • While performing the scan, it is important that the patient lies still in order to obtain the clearest images. If they are unable to do so, a mild sedative might be given.
  • The patient lies down on a table that slides into the CT machine.
  • Once the scan begins, the table slides slowly into the scanner while the X-ray machine rotates around the table. Each rotation produces numerous images of thin slices of the patient’s body.
  • A special dye called a contrast material might be administered intravenously or orally (depending on which part of the body needs to be highlighted) to help visualise internal structures.
  • The contrast material blocks X-rays and appears white on the images, allowing it to highlight the intestines, blood vessels or other structures in the area being examined.
  • When in use, the machine produces clicking, buzzing and whirring. The table moves a few millimetres at a time until the exam is finished. The entire procedure may take anywhere from 20 minutes to one hour.
  • Once the scan is over, the images are sent to the radiologist for examination.
  • There is very little risk associated with a CT scan. Though these scans expose the patient to more radiation than typical X-rays, the risk of radiation-induced cancer is negligible.
  • Some people might have an allergic reaction to the contrast material.

An X-ray is a common imaging test that can help diagnose, monitor and treat many medical conditions. While the most common use of X-ray imaging is to diagnose issues of the skeletal system, different types of X-rays are used for different purposes.

For example, the doctor may order a mammogram to examine the patient’s breasts or they may order an X-ray with a barium enema to get a closer look at the gastrointestinal tract.

How is it performed?
  • Based on the part of the body to be imaged, the technician may ask the patient to lie, sit or stand in several positions during the test.
  • A specialised plate that contains an X-ray film or sensors is placed behind the area to be imaged and a large camera connected to a steel arm is moved over the patient’s body to capture the images.
  • It is important for the patient to stay still while the images are being taken to provide the clearest images. The test is completed when the technician is satisfied with the images gathered.
  • If the X-ray is done to diagnose or manage a painful condition, such as a broken bone, the patient may experience pain or discomfort during the test as they will need to hold their body in certain positions while the images are being taken.
  • X-rays use small amounts of radiation to create images of the body. The level of radiation exposure is considered safe for most adults.

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    We are with you in your journey to better health

    We have some of the best radiologists in Chennai on-board at MGM Healthcare who work with all the 30+ specialities at our hospital to provide timely reports that help our specialists make informed decision and accurately diagnose and treat a condition or disease. We constantly update our technological infrastructure and information systems and keep abreast of the latest trends and new equipments, technologies and procedures. If you or someone in your family or friend’s circle is looking for radiology and imaging services, MGM Healthcare is here to care for you.

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