Embodiments of a dermatological cosmetic treatment and/or imaging system and method adapted to alter placement and position of multiple cosmetic treatment zones in tissue from ultrasound beams from a transducer, simultaneous multi-focus therapy at multiple depths, and/or dithering ultrasound beams from a transducer to alter placement and position of multiple cosmetic treatment zones in tissue. The system can include a hand wand, a removable transducer module, and a control module. In some embodiments, the cosmetic treatment system may be used in various cosmetic procedures.皮膚美容治療和/或成像系統和方法的實施例,其適於從來自換能器的超音波束改變多個美容治療區域在組織中的放置和位置、在多個深度處同時多焦點治療、和/或抖動來自換能器的超音波束以改變組織中的多個美容治療區域的放置和位置。系統可以包括手持棒狀器、可去除換能器模組和控制模組。在一些實施例中,美容治療系統可以在各種美容程序中使用。