The Apogee 3500 Touch 4D color Doppler ultrasound system features a 17-inch high resolution medical LCD, an 8.4-inch touch screen and four active probe connectors. It supports linear probes with elastography images to visualize stiffness of tissues in real time in breast exams, and also supports abdominal and transvaginal volumetric probes to realize 3D/4D imaging in OB/GYN application.