Survey of mammography practices

Iris Cantor Mammography Screening Clinic, Department of Radiological Sciences, University of California School of Medicine, Los Angeles.

Of the 319 radiologists who responded to a survey concerning mammography practices, 50% were employed in a private hospital and 26% in a private office. Film-screen mammography was used most often (54%) followed by xeromammography (30%) and a combination of film-screen and xeromammography (16%). Of the respondents, 62% had changed their method of performing mammography in the last 10 years. Of these, 50% had switched from xeromammography to film-screen, 23% from direct film to film-screen, 15% from direct film to xeromammography, and 6% from film-screen to xeromammography. Mammographic equipment had been purchased by 71% of respondents after 1983. Most respondents (71%) monitored mammography equipment doses, usually at 6- to 12-month intervals. Manual breast examinations were done at the time of mammography at 42% of the facilities, and breast self-examination was taught at 32%. For screening, 87.4% used a two-view examination, 92% required the name of a referring physician to whom the report could be sent, 28% accepted self-referred patients, and only 12% charged a reduced fee for screening. Breast sonography was performed by 53% (93% hand-held vs 7% automated), but none used sonography for screening. Only one respondent reported using thermography; three used light scanning. A need for postgraduate mammography courses for radiologists was indicated by 81%, while 69% recommended technologist courses and 64% recommended 1-week fellowships for radiologists.
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