Low-dose digital computed radiography in pediatric chest imaging

Department of Radiology, Ochsner Clinic and Alton Ochsner Medical Foundation, New Orleans, LA 70121.

A prototype digital computed radiographic imaging system that uses laser-stimulated luminescence was evaluated for its ability to achieve reproducible, high-detail, low-dose pediatric chest radiographs. Using this system, we performed a total of 401 examinations in infants and children, and achieved an 85% reduction in radiation dose, as compared with that delivered when film-screen techniques were used. We also achieved satisfactory image resolution, and the images obtained were of acceptable diagnostic quality. A direct comparison of analog and digital radiographs showed that comparable quality and clinical acceptability could be readily maintained between the two techniques. This study shows that high-quality images can be produced by this system at radiation doses reduced by 85% when compared with doses from standard radiographic techniques.
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				D. P. Frush, L. F. Donnelly, and H. G. Chotas Contemporary Pediatric Thoracic Imaging Am. J. Roentgenol., September 1, 2000; 175(3): 841 - 851. [Full Text] [PDF]