Figure 13.

Dose and image quality trends for mammography in the United States. Data were obtained from the following sources.

1974 (dose): Bicehouse HJ. Survey of Mammographic Exposure Levels and Techniques Used in Eastern Pennsylvania. 7th Annual National Conference on Radiation Control, 1975. DHEW Publication (FDA) 76-8026.

1976 (dose): Butler PF, Jensen JE. Breast Exposure: Nationwide Trends; A Mammographic Quality Assurance Program- Results to Date. Radiologic Technology 50(3), 1978; pp 251-257.

1980 (dose): Breast Exposure: Nationwide Trends. In: Internal project progress report. Rockville MD: Bureau of Radiological Health, US Department of Health and Human Services, Food and Drug Administration, 1981.

1985, 1988, 1992 (dose and image quality): Conway BJ, Suleiman OH, Rueter FG, Antonsen RG, Slayton RJ. National Survey of Mammographic Facilities in 1985, 1988, and 1992. Radiology 1994; 191: 323-330.

1995-2006 (dose and image quality): Mammography Quality Standards Act (MQSA) inspection findings.

Image Quality scores are reported for following phantoms:

1985: RMI 152 phantom with 'C' insert

1988: RMI 156 phantom with 'C' insert

1992 to present: RMI 156 phantom with 'D' insert (or equivalent)