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CAT Scan vs CT Scan: What’s The Difference?

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CAT scan and CT scan: These terms are often used interchangeably, contributing to confusion about this medical imaging procedure. In this article, we explore the difference between CT scans and CAT scans to clarify the key differences and why one is frequently favored over the other.

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CAT Scan vs CT Scan: Key Differences

To better grasp the distinction between CAT Scan and CT Scan, let’s start by defining these terms. Additionally, we explore their historical evolution and applications in modern medical imaging.

What does CAT scan mean?

A CAT scan, short for computerized axial tomography, is a diagnostic imaging technique that utilizes X-rays revolving around the patient in the axial plane combined with reconstruction computers to generate cross-sectional images of the body’s internal structures.

What does CT scan mean?

A CT scan, short for computed tomography, employs X-rays that revolve around the patient in the axial plane, utilizing advanced tracking software and a powerful reconstruction computer for comprehensive whole-body diagnostic imaging.

Are CAT Scan and CT Scan The Same Thing?

No, “CAT scan” refers to computerized axial tomography. This innovative imaging technology was first introduced by EMI Systems of London, England in the 1970s. Major healthcare brands like GE and Siemens subsequently refined this medical imaging technology, resulting in significant advancements in the field and prompting the need for a more suitable name. “CT scan” refers to computed tomography and more accurately represents modern imaging systems, which are no longer constrained to the axial plane.

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In conversation, CAT scan and CT scan essentially refer to the same imaging procedure. Both involve using X-ray technology to create cross-sectional images of the body.

Furthermore, it’s worth noting that CAT scanners have been phased out, and all current clinical CAT scan machines are CT scanners.

Why Was CAT Scan Changed To CT Scan?

First, the standardization of medical imaging procedures introduced a universal medical code that abbreviated all modalities to two letters. As a result, the medical imaging community standardized CAT scans to CT on medical records. The medical imaging community’s preference for the term “CT scan” is primarily influenced by this.

Secondly, the evolution of CT technology unlocked new imaging techniques that removed the limitations on imaging to the axial plane.

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Advanced imaging software and powerful reconstruction computers allowed imaging in all planes, including 3D reconstruction with unprecedented detail. Medical Imaging manufacturers marketed this new technology as a “CT Scan Machine.”

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When compared to a CAT scan, the term CT scan more accurately reflects the advanced imaging capabilities of modern tomography scanners.

When to use CT scan vs CAT scan

CAT scan is a popular term that was first coined in the 1970’s with the emergence of computed axial tomography systems throughout the world. It describes the first generation of tomography scanners. Though groundbreaking in the world of medical imaging, these systems were of limited functionality, especially when compared to modern CT scanner models. CAT scan is often used interchangeably with CT scan but there are certain instances where one term may be preferred over the other. See some examples below.

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Medical Professionals

While the terms are technically interchangeable, in the medical field, “CT scan” is more commonly used. It’s essential for healthcare professionals to employ standardized terminology, ensuring clarity and consistency in patient records.

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Patient Education

When explaining the procedure to patients, the term “CT scan” is generally preferred because it reflects the current state of technology. Older medical literature and individuals who are more accustomed to the earlier terminology commonly use the term “CAT scan.”

In the past, the term CAT scan was used to describe this technique. However, as technology advanced and computerized systems became integral to the process, the term “CT scan” gained prominence. Therefore, it’s safe to say that CAT scan and CT scan are synonymous.

CAT Scan vs CT Scan: Which One Is Correct?

In conclusion, the debate between CAT scan and CT scan largely revolves around semantics. Both terms essentially describe the same imaging technique, using X-rays and computer technology to create detailed cross-sectional images of the body. Due to healthcare standardization and the reflection of modern CT scanner components, medical professionals frequently employ the term “CT scan.”

However, it still finds use in historical context, and when communicating with patients, one may still encounter the term “CAT scan,” which is also a valid usage. Ultimately, whether you hear “CAT scan” or “CT scan,” rest assured that you are discussing a critical diagnostic tool that plays a vital role in modern medicine.

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