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Operative setup. The patient is placed in the supine position. The hip is distracted in neutral extension by use of adduction maneuvers against a well-padded perineal post. Three portals are established in standard fashion using fluoroscopy and cannulated instruments, a spinal needle, a guidewire, and metal trocars. The procedure uses an anterolateral portal, mid-anterior portal, and accessory anterolateral portal (approximately 4 cm distal to anterolateral portal).
