Native American women who live in North Dakota and South Dakota are coming to the University of Michigan Comprehensive Cancer Center for their mammograms without// ever leaving the reservation.

U-M radiologists sought to improve delivery of traditional mobile mammography, in which a large truck equipped with mammography machines travels to various sites. Using digital mammography instead of films and adding satellite capability, they found the digital mammograms could be beamed to radiologists who could read them in Ann Arbor, Mich.

“Mobile mammography is a critical way for Native American women to get a mammogram. But what happens when a woman needs to be called back for more images? By transmitting the mammograms by satellite, a radiologist could read them on the spot and three-quarters of the women who needed more images had those done immediately or within fewer than three days,” says Marilyn Roubidoux, M.D., professor of radiology at the U-M Medical School.

Roubidoux will present the results of this pilot program at the annual meeting of the Radiological Society of North America.

From March to July 2006, a mobile mammography unit owned by Indian Health Service visited seven American Indian reservations in North Dakota and South Dakota and performed 515 digital mammograms. The digital images were then transmitted via satellite to radiologists in the Breast Imaging Division of the U-M Radiology Department. The average time between sending the films and obtaining a report for these women was 50 minutes. In ideal technological and weather conditions, it was as quick as 30 minutes.

Of the 58 women who needed additional images, 72 percent were able to get those tests done immediately, or returned within three days for more imaging.

Radiologists found the mammogram images transmitted via satellite were of excellent quality, on par with the digital mammograms they read daily in the U-M Breast Imag
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