What is an MRI Scan?

A patient undergoing an MRI Scan at Wollongong Diagnostics. Learn about uses of MRI Scans.

What is an MRI Scan?

Understanding MRI Scans: Comprehensive Guide to Magnetic Resonance Imaging

Magnetic Resonance Imaging (MRI) is a sophisticated medical imaging technique used in radiology to form pictures of the anatomy and physiological processes of the body. At Wollongong Diagnostics, we utilise MRI scans to provide detailed images that are crucial for accurate diagnosis and treatment planning. 

We understand that it is important to know exactly what an MRI scan is, its benefits, and its main uses, so that you can understand why it might be the right choice for your medical imaging needs.

What is an MRI Scan?

An MRI scan, or Magnetic Resonance Imaging scan, employs a powerful magnetic field, radio waves, and a computer to produce detailed images of the inside of your body. Unlike other imaging techniques, MRI does not use ionising radiation, making it a safer option for many patients. This non-invasive tool is capable of capturing cross-sectional imaging in multiple planes, providing a level of detail that is vital for diagnosing many conditions.

Ultimately, an MRI allows doctors to view detailed scans of organs or other structures within your body without needing invasive surgery or radiation exposure.

Benefits of MRI Imaging

MRI scans are renowned for their precision and ability to detect abnormalities that might be missed by other imaging methods. Here are some of the key benefits:

Detailed Images

MRI provides high-resolution images, which are essential for examining soft tissues such as the brain, muscles, heart, and cancers.


With MRI, there is no exposure to ionising radiation, unlike X-rays and CT scans.


This technique can be used to scan almost any part of the body, including the brain, spinal cord, skeleton, chest, lungs, abdomen, and blood vessels.

Diagnostic Accuracy

MRI is particularly useful in diagnosing conditions of the brain and spinal cord, as well as musculoskeletal disorders.

Main Uses of MRI Scans

1. Brain MRI and MRI Brain Scan

A Brain MRI is one of the most common applications of magnetic resonance imaging. It is used to diagnose:

  • Brain tumours
  • Stroke
  • Dementia
  • Neurological disorders
  • Infections
  • Developmental anomalies

2. Medical Imaging Diagnostics

MRI is a cornerstone in medical imaging diagnostics, enabling physicians to see detailed images and make accurate diagnoses without the need for invasive procedures. It is crucial for the early detection of diseases and conditions in their manageable stages.

3. Medical Imaging Ultrasound

While MRI and ultrasound are different technologies, they are complementary in many diagnostic scenarios. Ultrasound is often used for viewing real-time images, such as in pregnancy and abdominal examinations, while MRI provides more detailed static images for complex cases.

4. MRI Radiology

In MRI radiology, radiologists use MRI scans to evaluate images and provide a diagnosis based on the detailed cross-sectional images produced. MRI radiology is essential for comprehensive assessment in cases of trauma, disease, or injury.

Preparing for an MRI Scan

Preparing for your next MRI scan is straightforward. You should consider the following when going to your appointment:

  • Metal objects: Remove all metal objects, such as jewellery, since the MRI uses a strong magnetic field.
  • Medical history: Inform your technician of your complete medical history, including any implants, as some may interfere with the magnetic field.
  • Clothing: You may be asked to wear a hospital gown to avoid any interference from metallic fibres in regular clothing.


MRI scans are a vital tool in modern medical diagnostics, offering detailed insights that are crucial for accurate diagnosis and effective treatment planning. Whether you need a brain MRI, a comprehensive assessment of spinal disorders, or an evaluation of soft tissue conditions, MRI imaging provides a safe, effective, and non-invasive solution.

At Wollongong Diagnostics, we are committed to providing state-of-the-art MRI services to help diagnose and treat conditions with the utmost accuracy. Contact us today to schedule your MRI scan and take a proactive step towards managing your health.


Healthcare decisions should always be made in consultation with a qualified health professional. If you’re considering your need for an MRI Scan, discuss it with your healthcare provider to ensure it’s the right choice for your specific health needs.