compare and contrast film screen, computed radiograhy and digital radiography

Running head : DIFFERENCES OF TECHNIQUES IN IMAGING

Identifying differences among various techniques in Imaging

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Identifying differences among various techniques in Imaging

The most common filming techniques used in the d of medicine today are film-screen , computed radiography , and digital radiography . These techniques slightly differ in their functionalities , combined with the ease of usage and the quality of images produced

Film screen radiography is a conventional radiography technique that utilizes X-ray radiated onto the body of the organism that later on produces output

signals convertible to image as captured by cassettes (Rockwood , Green , Bucholz , Heckman , Court-Brown , et al , 2006 ,

. 356 The discovery of the components of the film screen is very important even in the modern radiography . An example of a component present in modern radiography techniques is the intensifying screen . In the 1990s film screen cassettes were replaced by alternative X-ray detectors like the photostimulable phosphor plate and the selenium plate (Pettersson Allison , Schulthess , NICER Institute , Resnick , et al , 1998 ,

. 206 The optical density , which is one of the characteristics taken into consideration in imaging , is measured sufficiently by the human eye to determine if the optical density is acceptable or not (Allisy-Roberts Williams Farr , 2007 ,

. 86

Computed radiography is run in almost similar fashion that is used in film screen radiography . According to Bushberg and his colleagues (2002 , this similarity in the handling of the cassettes of these two imaging systems led to the initial success of computer radiography since users...