involvement and brachial plexus compression (Figure 1). A biopsy of the mass was reported as mesenchymal chondrosarcoma. After chemotherapy and radiation therapy, some of his symptoms, including right arm pain improved and the total tumor volume was slightly reduced. The patient was not taking pain medication at the time he was referred to our hospital for neuro/ thoracic surgical consultations for possible tumor resection.On admission, the patient stated he has been doing well, and denied shortness of breath, dyspnea on exertion, nausea, vomiting or worsening right arm sensory/motor dysfunction. His physical exam, laboratory studies, echocardiogram, electrocardiogram (EKG), chest X-ray (CXR) and pulmonary function testing (PFT), chest computed tomography (CT) scan and magnetic resonance imaging (MRI) were all stable.
Surgical plans and proceduresTo start the case, the neurosurgeon placed the patient in the prone position to facilitate the dorsal approach to the right of T1-T4 spinous processes and corresponding vertebral bodies. At the level of T2 and T3, the transverse processes were transected, ribs disarticulated and the nerve roots ligated. The patient was then repositioned into the left decubitus position for the chest wall tumor resection including en bloc resection of a portion of T2 and T3 transverse processes (no reconstruction) (Figure 2).After the tumor was resected, the thoracic surgeons performed intercostal cryoneurolysis (IC) of the threelevel of ribs encompassing the surgical incision. The cryoprobe (cryoICE TM, Atricure Inc., Ohio) was placed into the thoracic cavity under direct visualization. It touched the membranous portion of the right fourth through sixth intercostal space, 4 cm away from the base of the spine to avoid iatrogenic injury to the sympathetic ganglia chain (Figure 3). Each nerve was frozen for 120 sec with a tip temperature between -50 °C to -70 °C. After the cryoneurolysis, the thoracic surgeon re-inspected the chest, established hemostasis