Fewer Breast Cancer Cases Between Screening Rounds with 3-D Mammography Getty Images April 9, 2021 — 3-D mammography reduces the number of breast cancer cases diagnosed in the period between routine screenings, when compared with traditional mammography, according to a large study from Lund University in Sweden. The results are published in the journal "Our results indicate that 3-D mammography, or digital breast tomosynthesis, possibly detects cancers that would otherwise have been diagnosed later at a more advanced stage", said Kristin Johnson, doctoral student at Lund University and radiology resident at Skåne University Hospital. A large prospective screening study conducted at Skåne University Hospital in Malmö (Malmö Breast Tomosynthesis Screening Trial) between 2010 and 2015 included almost 15,000 women who received both 3-D mammography and traditional mammography. In 2018, the researchers published results from the trial showing that 3-D mammography detects just over 30 percent more cases of breast cancer compared to traditional mammography.