Hologic (R) Incorporated, founded in 1986 and based in Bedford, Massachusetts, develops diagnostic and other medical imaging systems. The firm is known for its digital radiography and breast imaging products. The company's business units focus on designing mammography, breast biopsy, osteoporosis assessment, C-arm, and extremity magnetic resonance imaging (MRI) systems. The firm is known for its Selenia (TM) full-field digital mammography and SecureViewDX (TM) diagnostic workstation products. Selenia's selenium-based direct capture technology eliminates light diffusion and improves image quality. The system employs Hologic's patented HTC grid technology, which reduces radiation scatter. SecurViewDX allows radiologists to interpret a variety of digital mammograms. Computer-aided design (CAD) tools can be used to locate regions of interest. Hologic also is known for its Discovery (TM) QDR Series bone densitometer, Explorer (TM) bone mineral density measurement, Hologic InSight (TM) miniature C-arm, InSight Fluoroscan extremity surgery visualization, Opera extremity MRI (E-MRI) imaging, and C-Scan E-MRI systems. The company encompasses the LORAD (R), R2, Suros Surgical, Direct Radiography, and Fluoroscan divisions. Hologic maintains facilities in Massachusetts, Connecticut, California, Indiana, and Delaware. The company has merged with R2 Technologies. Hologic is listed on NASDAQ under the HOLX symbol. Hologic was founded by S. David Ellenbogen and Dr. Jay A. Stein.