A Complete Guide To Radiology And Its Types


Radiology is a branch of medicine that allows a doctor to see different parts of the body. The process is divided into different procedures, each using a different test which takes pictures of the body parts. Radiology includes tests such as X-ray, MRI, ultrasound, CT scan, and PET scan.

Different types of Radiology

  1. Diagnostic Radiology
  2. Interventional radiology
  3. Radiation Oncology

Diagnostic radiology

Diagnostic radiology is the process of getting scanned images without introducing any instrument inside the body of the patient. In the process, the patients are subjected to quite a low frequency of radiations to create a high definition image of the body part. These radiations involve Radiography (X-rays), Magnetic Resonance Imaging Scan or MRI, Computed Tomography Scans or CT, Ultrasound, and Nuclear Medicine Scans.

The process can be used to diagnose a number of problems, such as broken bones, blood clots, and heart conditions; moreover, even gastrointestinal conditions can be diagnosed with this method. This method is effective to diagnose severe diseases such as breast cancer. In addition to identifying issues, diagnostic radiology can be used by physicians to understand how well your body is responding to current treatment.

Interventional radiology

This imaging technique utilizes various image-forming processes, such as ultrasound, x-ray fluoroscopy, computed tomography or magnetic resonance imaging. Physicians or doctors treat numerous diseases by inserting tiny instruments into the body via arteries.

The images formed from this process are used by doctors to locate the exact tissue which needs to be treated and can be further used to monitor the expanse of a disease. Through this method, the specialists use minimal space-invasive techniques to diagnose problems through an image.

Radiation Oncology

Radiation Oncology is an effective mode of treatment of cancer which makes use of radiation therapy or radiations, for treating cancer. It is also an effective way of getting an image of body parts. Studies claim that approximately 40% of the total patients who have cancer across the world are cured with this therapy.

What is radiation therapy?

Radiation therapy can be used to kill the cancer cells present in the body. It can prevent their growth, multiplication and can even stop them from spreading in different parts of the body. Do healthy cells also get affected by the radiation?

Yes! However, the cancerous cells get more affected by radiation. Thus, it is mandatory to consult the professionals before you step on to any conclusion. There are various professionals such as Inside Radiology who can help you get the solution to your problems. Therefore, physicians prefer this method above than any other method. Types of radiation used for the treatment and getting the image of the body parts includes:

  • X-rays
  • Gamma rays
  • Electron beams

Benefits of Radiology

Now that we know what Radiology is let’s find out how it can be beneficial for us. Following are some reasons why most physicians and doctors use it to prevent the spread and ill-effects of certain diseases:

  1. With radiology, doctors can skip the surgery intended to diagnose an ailment.
  2. It helps you understand whether you would still need the surgery.
  3. It assists in making a diagnosis and helps doctors come up with a further plan for the management of most body conditions.
  4. Interventional radiology, the advanced form of diagnosis, involves treatment also. With this method, the risk is lesser, and so is the recovery time!
  5. Doctors use radiology to diagnose diseases such as breast cancer through mammography, and therefore, suppresses the mortality rate.
  6. Therapies involving radiology can even help treat cancer.

Disadvantages of Radiology

While this technology confers enormous benefits, it has some disadvantages too. The electronic images obtained via Radiology are very easy to modify, and therefore, every image obtained from radiological scanners comes with a doubt on its reliability. Therefore, this doubt has questioned the validity of the images for the use of experiments.

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