Volume 51 No 1  Cover Story

A representative case of a 48-year-old female with an isolated painful C3 metastasis. The patient experienced pain relief three months after Cyberknife stereotactic radiosurgery. Upper : Preoperative T1 weighted axial MR image with enhancement (left). Axial projection of the isodose line of the treatment plan. The 77% isodose line represents the prescribed dose of 31.7 Gy (5 fractions), the tumor volume is 14.5 mL, and the spinal cord received a maximum dose of 25.3 Gy (right). Lower : Six-month postoperative T1 weighted axial MR image with enhancement (left). Two-year postoperative T1 weighted axial MR image with enhancement showing good response (right).