Radiation protection requirements for medical x-ray film. 1995

O H Suleiman, and B J Conway, and T R Fewell, and R J Slayton, and F G Rueter, and J Gray
Food and Drug Administration, Center for Devices and Radiological Health (HFZ-240), Rockville, Maryland 20857, USA.

Previous darkroom shielding requirements for medical x-ray film-assumed that the film should not be exposed to diagnostic x-ray radiation levels greater than 2 microGy (0.2 mR) for the life of the film. Modern medical x-ray films are much less sensitive to ionizing radiation, with most films showing at least an order of magnitude less sensitivity than previously assumed. Conversely, these same films when loaded in cassettes using modern intensifying screens exhibit an order of magnitude greater sensitivity when these cassettes are exposed to ionizing radiation. These data suggest that protection of modern medical x-ray film, stored in a darkroom, may require less shielding than previously assumed. Conversely, film loaded in a cassette will require greater shielding.

UI MeSH Term Description Entries
D011835 Radiation Protection Methods and practices adopted to protect against RADIATION. Protection, Radiation
D011839 Radiation, Ionizing ELECTROMAGNETIC RADIATION or particle radiation (high energy ELEMENTARY PARTICLES) capable of directly or indirectly producing IONS in its passage through matter. The wavelengths of ionizing electromagnetic radiation are equal to or smaller than those of short (far) ultraviolet radiation and include gamma and X-rays. Ionizing Radiation,Ionizing Radiations,Radiations, Ionizing
D011859 Radiography Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film). Radiology, Diagnostic X-Ray,Roentgenography,X-Ray, Diagnostic,Diagnostic X-Ray,Diagnostic X-Ray Radiology,X-Ray Radiology, Diagnostic,Diagnostic X Ray,Diagnostic X Ray Radiology,Diagnostic X-Rays,Radiology, Diagnostic X Ray,X Ray Radiology, Diagnostic,X Ray, Diagnostic,X-Rays, Diagnostic
D012680 Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) Specificity,Sensitivity,Specificity and Sensitivity
D014962 X-Ray Film A film base coated with an emulsion designed for use with x-rays. Film, X-Ray,Radiographic Film,Film, Radiographic,Xray Film,Film, X Ray,Film, Xray,Films, Radiographic,Films, X-Ray,Films, Xray,Radiographic Films,X Ray Film,X-Ray Films,Xray Films

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