• Sadaf Alipour, Leila Bayani, Azin Saberi, Afsaneh Alikhassi, Ladan Hosseini, and Bita Eslami.
• Surgery Department, Arash Women's Hospital, Tehran University of Medical Sciences, Tehran, Iran. sadafalipour@yahoo.com
• Asian Pac J Cancer P. 2013 Jan 1;14(6):3685-8.

BackgroundClinicians determine degree of mammographic density based on tissue firmness on breast examination. The study aimed to compare breast density in mammography and clinical breast examination.Materials And MethodsSix-hundred sixty three women 40 years of age or older were studied. The breast exam density was graded from 1 to 4 by two expert surgeons and the mammographic parenchymal density by two expert radiologists. Then for practical reasons, grades 1 and 2 were considered as low-density and grades 3 and 4 as high-density.ResultsHigh and low densities were detected in 84.5% and 15.5% of clinical breast examinations and 59.7% and 40.3% of mammographies, respectively. The statistical analysis showed a significant difference between the breast tissue densities in breast examination with those in mammography.ConclusionsA clinically dense breast does not necessarily imply a dense mammographic picture.

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