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Digital mammo tops film for DCIS diagnosis
The largest study to date comparing film-screen and full-field digital mammography found the digital approach better for visualizing microcalcifications deemed crucial to diagnosing ductal carcinoma in situ.
The largest study to date comparing film-screen and full-field digital mammography found the digital approach better for visualizing microcalcifications deemed crucial to diagnosing ductal carcinoma in situ.
Dr. Nico Karssemeijer from Radboud University in Nijmegen, the Netherlands, and colleagues evaluated 367,600 screening exams performed over five years, 56,518 of which were digital. Breast cancer was found in 1927 women, 317 of whom underwent digital mammography enhanced with computer-aided diagnosis.
At initial screenings, digital detected cancer at a rate of 0.77% and film at a rate of 0.62%. Subsequent readings led to rates of 0.55% and 0.49%, respectively, for digital and film. Film-based screening detection of DCIS was 0.12% in initial exams and 0.08% in subsequent exams. Digital mammography DCIS detection was 0.22% in initial exams and 0.12% in subsequent exams (Radiol 2009 July 31 e-pub ahead of print).
Radiology Experience, Breast Density and Screening Mammography: What New Research Reveals
October 4th 2024In a study looking at the impact of experience and case volume of breast screening radiologists, researchers found that reviewing more than 150 cases per week was necessary to achieve an 80 percent rate of true-positive assessments for malignant calcifications.
Comparing Digital Breast Tomosynthesis to Digital Mammography: What a Long-Term Study Reveals
September 17th 2024In a study involving over 272,000 breast cancer screening exams, digital breast tomosynthesis (DBT) had a higher breast cancer detection rate and a lower rate of advanced cancer presentation at the time of diagnosis in comparison to digital mammography.
