Answers to Common Whats And Hows of CT Scans

Advancement in technology has led to improvements in medical imaging and with it has begun a new era of diagnosis and treatment of numerous medical conditions of children and adults.

CT scan is one of such technologies which has brought a flood of easy ways for diagnosis without invasive procedures. But let us first answer the question that first comes to our mind when we hear the two words : CT scan. Well these are actually three. CT for Computer Tomography and Scan is as it sounds. Sometimes, it is also referred to as CAT scan.

It is a noninvasive medical examination which can be used for a variety of diagnostic and therapeutic purposes.

Now, the next question arises:

How does it work?

CT works on one basic principle: an X-ray beam is passed through the body where a portion of the X-rays are either absorbed or scattered by the internal structures, and the remaining X-ray pattern is transmitted to a detector (e.g., film or a computer screen) for recording or further processing by a computer.

Where is it used?

CT images of internal organs, bones, soft tissue, and blood vessels help in better understanding of the underlying problem of the condition rather than conventional imaging techniques like a chest X-Ray.

How is it helpful?

When used appropriately, it becomes an extremely valuable tool. It helps the physician to:

  • Diagnose a disease, trauma or abnormality
  • Plan the best suitable interventional or therapeutic procedures
  • Study and monitor the treatment’s effectiveness.
  • Additionally, the detailed images provided by CT scans may eliminate the need for exploratory surgery.

Considering its high radiation exposure, what should patients take care of?

Since, X-rays, used in CT Scan in South Delhi, are basically radiations, they might be cancerous. The radiation exposure is of particular concern in younger patients than adults and moreover, younger patients have a longer lifetime for the effects of radiation exposure to manifest as cancer. But at the same time, we should also keep in mind that in children and adults, the risk from a medically necessary imaging exam is quite small when compared to the benefit of accurate diagnosis or intervention. And additionally, the clinical benefits of CT far outweigh its radiation risks, they are unavoidable but of course, we should take some precautions just to stay on the safe side. Some of these are:

  • All CT exams should be performed only after careful consideration for the patient’s health requirements.
  • They should be performed well after referring to a physician and getting a second opinion as well.
  • The patient and his guardians must be kept well informed throughout the whole process. They should be aware of all the benefits, risks and balance sheet related to the scans beforehand. Basically, they should do their own research as well before deciding.
  • The patient should not hide any medical history that might become a hindrance or a problem. The doctor as well as the radiologist must be made aware of all medical issues, past or present. For example, the patient should confirm about any kind of condition like pregnancy, or recent headaches.
  • Of course, if other procedures which might be easier and less risky while being equally informative, the patient should insist on getting the other procedure as against to CT.

A CT scan, on an average, costs between Rs. 2000- Rs. 2500 with additional charges of upto Rs. 1000- Rs. 2000 for using a contrast material.

At Best Hospitals in Dwarka, Ayushman Hospital and Health Services, we have the best tech along with the most experienced and up-to-date staff. We have the best in-house imaging lab in Dwarka and offer best CT Scan centres in South Delhi the highest level of competence in terms of practice.

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