Ultrasound energy liquefies high fluid content tissues, such as epidermis and sweat glands via cavitation, but minimally affects dermis, blood vessels, and nerves at the same energy level. We have used ultrasonic surgical aspirator to treat several skin diseases such as Bowen’s disease, wart, prurigo nodularis, and osmidrosis. The ultrasonic surgical aspirator offers an effective and safe metho...