Sono Center is a leading radiology facility in Pasadena and Los Angeles, California specializing in breast screening and the early detection of breast cancers that are most frequently missed with mammography, as well as general ultrasound services. Sono Center uses the most advanced, state-of-the-art technology, SonoCine AWBUS (Automated Whole Breast Ultrasound) to detect cancerous lesions in their earliest and most treatable stages.