Initial Clinical Results with a New Needle Screen Storage Phosphor System in Chest Radiograms

Abstract

With the use of the new needle structured storage phosphors in chest radiography, dose reduction of up to 50 % is possible without detracting from image quality or detail depiction. Especially in patients with multiple follow-up studies the overall dose can be decreased significantly.

Imaging Performance with Different Doses in Skeletal Radiography: Comparison of a Needle-structured and a Conventional Storage Phosphor System with a Flat-Panel Detector

“…Although our results and conclusions apply only to radiography of the extremities, first results in chest radiog- raphy have been published and are comparable (35). Further investigation will be necessary to evaluate the performance and potential of dose reduction with radiography in other areas of the body, such as the spine.…”

Advances in Digital Radiography: Physical Principles and System Overview

“…These phosphors are structured, since their crystals are grown in a needle shape, and are coated on a glass or aluminum substrate without any binding material between the crystals (70,71). This technique offers tighter phosphor packing and reduced pixel size, resulting in DQE values that are as high as those for indirect conversion flat-panel detector systems (Fig 9) (70,72,73). In addition, images are scanned line by line with this system, resulting in shorter scanning times.…”

“…Line scanners could also read out each pixel of a line for a longer time if scanning time is kept constant compared with that of a flying-spot scanner, which results in a higher signal being produced by the emitted light. Initial clinical studies in chest radiography with this system have shown equal quality with a stateof-the-art unstructured CR system with the exposure lowered to 50% (72).…”

Eine SWOT (Stärken, Schwächen, Chancen und Gefahren)-Analyse der aktuellen digitalen Radiografiesysteme in der Thorax- und Skelettdiagnostik

“…Die nadelartige Kristallstruktur ermöglicht höhere Packungsdichten und verringert die laterale Lichtdiffusion [8,18,25].…”