More people visit their specialist’s office to request a ‘scan’. Here are a few myths and facts about the different types of scans available, when they are helpful and why you don’t generally require one!
MYTH: ALL SCANS ARE X-RAYS
Plain X-rays and CT scans use X-beam radiation while different scans don’t. An X-ray gives you one picture, for example of your chest or a limb. A CT scan then again takes many X-rays which are prepared by a PC to give different photos of the body. CT scan gives far more detailed views, yet they also expose you to much more radiation. This radiation portion relies upon which portion of the body is being scanned. For example, a CT scan of the chest exposes you to 70 times more radiation than a normal chest X-ray.
Other kinds of scans, such as ultrasound and MRI scans, don’t use X-rays. Ultrasound scans make use of sound waves and MRI scans use magnets.
FACT: DIFFERENT KIND OF SCANS ARE NEEDED TO IMAGE DIFFERENT PARTS OF THE BODY
Because scans work in different ways they are good at looking at various parts of the human body.
X-rays are mainly useful for looking at bones, so they are commonly used if you have a fracture. Abdominal X-rays are only needed if your doctor suspects a few rare conditions – most of the times your bowels will not show up as the structures are so similar.
CT and MRI scans are useful for looking into the body in more detail. They are helpful for imaging the brain Ultrasound scans are used to look at abdominal organs such as the liver and kidneys etc., some other uses include a scan of the heart, measuring blood flow through blood vessels and staging pregnancy.
MYTH: A SCAN WILL ALWAYS DETECT WHAT IS WRONG WITH YOU
There are so many conditions that will not show up on any scan. But doctors have other investigations such as blood tests and other instruments and equipment to diagnose these conditions. Some conditions are diagnosed depending on your symptoms alone, for example, migraine. So remember, you need not take scan always.
FACT: SCANS SHOULD BE INTERPRETED BY A SPECIALIST
Although all doctors are trained to explain basic X-rays, they may miss some finer details which a specialist, known as a radiologist, would pick up on. Radiologists also have a high level of expertise in explaining complex scans like MRI or CT scans. They will generally write a report about your scan, so it is important to keep this safe and show it to your doctor.
MYTH: SCANS CAN HAVE SERIOUS SIDE EFFECTS
The radiation used during X-Ray Center in Bangalore and CT scans won’t make you grow extra limbs or turn green, but can have some worrying and less clear side effects! People can also be allergic to certain dyes used during MRI and CT scans. And may X-rays, CT and MRI scans are all unsafe during pregnancy as they can cause deformities and developmental abnormalities.
FACT: I WOULD KNOW RIGHT AWAY IF I WAS EXPERIENCING SIDE EFFECTS FROM A SCAN
The radiation side effects tend to develop over long periods of time, particularly if you are exposed to radiation on multiple occasions. You won’t feel the radiation or get any obvious symptoms such as pain or skin rashes.
X Ray Center in Bangalore | Ebisu Diagnostics