What Does Dr Mean In Radiology?

Digital Radiography

What is dr in radiology?

Digital radiography (DR) is the direct conversion of transmitted X-ray photons into a digital image using an array of solid-state detectors such as amorphous selenium or silicon, with computer processing and display of the image.

what is a DR panel? Digital radiography (DR) systems use active matrix flat panels consisting of a detection layer deposited over an active matrix array of thin film transistors and photodiodes. With DR the image is converted to digital data in real-time and is available for review within seconds.

what is the difference between CR and DR radiology?

DR uses flat panel detectors based on direct or indirect conversion of X-rays to charge, which is then processed to produce a digital image. CR uses cassette-based phosphor storage plates (PSP), which are then scanned by the computerized system into a digital format for image processing, archiving, and presentation.

What does PSP stand for in radiology?

A plate based on this mechanism is called a photostimulable phosphor (PSP) plate and is one type of X-ray detector used in projectional radiography.

What does CR mean?

The Meaning of CR CR means “Credit” or “Copyright” or “Carriage Return”

What is CR system?

A CR system consists of an image reader/digitizer, cassettes containing imaging receptors (photostimulable-phosphor plates), a computer console or workstation, software, monitors, and a printer. Imaging plates are inserted in a radiographic table’s cassette holder and images are acquired using the x-ray system.

What are the two types of digital systems?

There are several types of digital acquisition systems, including flat panel radiology, computed radiography, and charge-coupled device systems. Other devices such as film scanners and digital cameras can be used to digitize conventional x-ray film that allows the image to be stored on a computer.

How does CR work?

CR follows a simple 3-step process: When the IP is exposed to X-ray or gamma radiation, the phosphor layer in the plate stores the image. As the IP is read by the scanner, a focused laser releases the stored image in the form of visible light photons.

What is a CT scan used for?

Articles OnCancer Diagnosis A computed tomography (CT or CAT) scan allows doctors to see inside your body. It uses a combination of X-rays and a computer to create pictures of your organs, bones, and other tissues. It shows more detail than a regular X-ray. You can get a CT scan on any part of your body.

Why do a CT scan?

Your doctor may recommend a CT scan to help: Diagnose muscle and bone disorders, such as bone tumors and fractures. Pinpoint the location of a tumor, infection or blood clot. Detect and monitor diseases and conditions such as cancer, heart disease, lung nodules and liver masses.

What are the two types of digital radiography imaging systems?

There are two types of digital imaging systems used in intraoral radiography – computed radiography (CR) and direct radiography (DR). CR uses a photostimulable phosphor (PSP) plate to capture the image.

What are three advantages of digital radiography?

Digital Radiography Advantages: Reducing Cost and Space Reduced radiation. Reduced cost due to the elimination of chemical processors, processor maintenance, and filing and mailing jackets. Reduced space requirement — no dark room is required, and the need to dedicate space for cabinets of analog images is eliminated.

What is a disadvantage of using direct digital radiography?

Compared to conventional radiography and CR, DR systems are able to produce better quality images at lower X-ray exposures. With some DR systems, it is unnecessary to use a grid. Probably the biggest disadvantage of digital radiography is the cost of replacing existing radiographic equipment.

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