Basics ofimaging

During a CT scan, the patient lies on a table that moves through a doughnut-shaped machine, which emits X-ray beams from various angles. The images obtained are then reconstructed by a computer to create detailed cross-sectional images of the brain.

Neither procedure is painful. However, some patients may experience discomfort due to the confined space in MRI machines.

Disadvantages of digital radiography

I’m posting this image not for it’s artistic merit (lol!) but because I find the subject of the photo to be very interesting. The Corona program was the US’s first photographic spy satellite program, and was super top-secret at the time. The Corona Satellite Calibration Targets are 272 concrete markers in and around Casa Grande, Arizona that helped to calibrate camera photos from the Corona spy satellite. The markers formed a square 16x16-mile grid, maintained from 1959 to 1972. About half of the original markers remain.

Unlike X-rays or CT scans, MRI does not use ionizing radiation, making it a safer option for repeated imaging. During an MRI scan, the patient lies on a movable table that slides into a cylindrical machine. It is important to remain still during the procedure to ensure clear images.

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MRI scans are better for brain imaging as they are the most sensitive brain imaging technique currently available, especially for the brain. Because of this, it is a better option for detecting brain tumors.

In this blog post, we will explore the differences between MRI and CT scans, helping you understand which one is better for brain imaging and detecting brain tumors.

I’m posting this image not for it’s artistic merit (lol!) but because I find the subject of the photo to be very interesting. The Corona program was the US’s first photographic spy satellite program, and was super top-secret at the time. The Corona Satellite Calibration Targets are 272 concrete markers in and around Casa Grande, Arizona that helped to calibrate camera photos from the Corona spy satellite. The markers formed a square 16x16-mile grid, maintained from 1959 to 1972. About half of the original markers remain.

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A CT scan, or Computed Tomography scan, is another medical imaging technique that uses X-rays to create cross-sectional images of the body. It is particularly useful for examining bone structures and detecting acute conditions such as brain hemorrhages, fractures, and tumors with calcifications.

Advantages and disadvantages of digital radiography

CT scans are relatively quick compared to MRI scans, making them useful in emergency situations where immediate diagnosis is crucial. However, it is important to note that CT scans involve exposure to ionizing radiation, which carries a potential risk, especially with frequent or unnecessary scans.

When it comes to brain imaging, two popular imaging methods are widely used: MRI (Magnetic Resonance Imaging) and CT (Computed Tomography) scans. Both techniques provide valuable insights into brain health, but they differ in terms of their technology and diagnostic capabilities.

CT scans can detect certain types of cancer such as bladder cancer, kidney cancer, ovarian cancer, stomach cancer, and even colon cancer.

MRI, or Magnetic Resonance Imaging, is a non-invasive medical imaging technique that uses powerful magnetic fields and radio waves to generate detailed images of the body's internal structures. In the case of brain imaging, MRI provides highly accurate and detailed images of the human brain, allowing healthcare professionals to assess its anatomy and detect any abnormalities.

CT scans are quicker and usually take only a few minutes, while MRI scans can take between 15 minutes to an hour, depending on the type and purpose of the scan.

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