title: Correlates of mammographic density in B-mode ultrasound and real time elastography.
abstract: The aim of our study involved the assessment of B-mode imaging and elastography with regard to their ability to predict mammographic density (MD) without X-rays. Women, who underwent routine mammography, were prospectively examined with additional B-mode ultrasound and elastography. MD was assessed quantitatively with a computer-assisted method (Madena). The B-mode and elastography images were assessed by histograms with equally sized gray-level intervals. Regression models were built and cross validated to examine the ability to predict MD. The results of this study showed that B-mode imaging and elastography were able to predict MD. B-mode seemed to give a more accurate prediction. R for B-mode image and elastography were 0.67 and 0.44, respectively. Areas in the B-mode images that correlated with mammographic dense areas were either dark gray or of intermediate gray levels. Concerning elastography only the gray levels that represent extremely stiff tissue correlated positively with MD. In conclusion, ultrasound seems to be able to predict MD. Easy and cheap utilization of regular breast ultrasound machines encourages the use of ultrasound in larger case-control studies to validate this method as a breast cancer risk predictor. Furthermore, the application of ultrasound for breast tissue characterization could enable comprehensive research concerning breast cancer risk and breast density in young and pregnant women.
authors: Department of Gynecolgoy and Obstetrics, University Breast Center Franconia, University Hospital Erlangen, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany. sebastian.jud@uk-erlangen.de
authors: Sebastian Michael
authors: SM
authors: Jud
authors: Lothar
authors: L
authors: Häberle
authors: Peter A
authors: PA
authors: Fasching
authors: Katharina
authors: K
authors: Heusinger
authors: Carolin
authors: C
authors: Hack
authors: Florian
authors: F
authors: Faschingbauer
authors: Michael
authors: M
authors: Uder
authors: Thomas
authors: T
authors: Wittenberg
authors: Florian
authors: F
authors: Wagner
authors: Martina
authors: M
authors: Meier-Meitinger
authors: Rüdiger
authors: R
authors: Schulz-Wendtland
authors: Matthias W
authors: MW
authors: Beckmann
authors: Boris R
authors: BR
authors: Adamietz
mesh_terms: D000328:Adult; D000368:Aged; D001940:Breast / Q000166:cytology / Q000473:pathology; D001943:Breast Neoplasms / Q000000981:diagnostic imaging*; D002277:Carcinoma / Q000000981:diagnostic imaging; D002452:Cell Count; D003199:Computer Systems; D054459:Elasticity Imaging Techniques / Q000295:instrumentation / Q000379:methods*; D005260:Female; D006801:Humans; D008875:Middle Aged; D011247:Pregnancy; D011252:Pregnancy Complications, Neoplastic / Q000000981:diagnostic imaging; D011859:Radiography; D016217:Ultrasonography, Mammary / Q000379:methods*