Use of ultrasound-guided cryotherapy for the management of chronic pain states.

Study Objective: To report the use of ultrasound for cyroablation of purely sensory nerves for long-term relief of pain because the use of ultrasound enhances accuracy while minimizing injury to surrounding structures.

Design: Case series of three patients with positive long-term outcomes.

Setting: Outpatient Pain Management Clinic associated with a large, university affiliated, tertiary-care community hospital.