the invention is a transvaginal ultrasound probe having an attached echogenic needle that is useful in the treatment of uterine fibroids . the echogenic needle has an echogenic surface near its tip that allows the physician to visualize its location using ultrasound imaging . in one embodiment , the needle has an active electrode at its distal end . the active electrode supplies radio frequency energy to a fibroids causing necrosis of the targeted fibroid or by destroying the fibroid &# 39 ; s vascular supply . the radio frequency needle preferably has a safety device that shuts - off energy if the needle punctures the uterine wall . in a second embodiment , the needle has a cryogen supply tube and cryogen supply . this embodiment destroys fibroid tissue by freezing it or its vascular supply when the tissue comes in contact with the needle &# 39 ; s frozen distal end . the invention further includes the method of using the ultrasound probe with the attached needle .