As early as in 1889 surgery on the cervical sympathetic nervous system was performed. During the following decades this operation was tried for a variety of diseases. In the early 1920s it was clarified that patients with hyperhidrosis, vasospastic conditions, and angina pectoris would benefit from stellectomy. It was, however, soon discovered that removal of the upper thoracic ganglia was required in order to obtain complete sympathetic denervation of the upper extremity. Several open surgical techniques for upper thoracic sympathectomy were described. During the 1940s a few pioneers started to excise sympathetic ganglia by thoracoscopy which had originally been described as a diagnostic tool by Jacobaeus in 1910. The endoscopic approach, amply documented by Kux in 1954, did not, however, gain widespread popularity until the 1980s. Like the general upsurge of interest in endoscopic surgery, thoracoscopic ablation of the upper thoracic sympathetic ganglia is now rapidly being adopted by surgeons.