Fig. 2From: Treatment for thoracic ossification of posterior longitudinal ligament with posterior circumferential decompression: complications and managementsSurgical pictures of intraoperative resection of the PLL. a Complete removal of the lamina for decompression from the posterior like “lifting the lid” method. b Completely removed rear lamina. c Resection and removal of the posterior ligament ossified at the front. d Complete resection of the PLLBack to article page