Division of Plastic and Reconstructive Surgery, Department of Surgery, National Cheng-Kung University Hospital, College of Medicine, National Cheng-Kung University, 138 Sheng-Li Road, Tainan 70428, Taiwan, ROC.
This case report illustrates the role of high-resolution sonography in the preoperative assessment of a neurilemmoma of the median nerve in the forearm. Sonography identified the 3-dimensional localization of the nerve tumor its origin from a nerve fascicle, and its relationship with noninvolved nerve fascicles, facilitating the surgeon's approach to preserve noninvolved fascicles. 2005 Wiley Periodicals, Inc.