Comparison of two minimally invasive approaches to the thoracolumbar spinal canal in dogs.

Objective: To describe 2 minimally invasive approaches to the spinal canal for treatment of intervertebral disc disease and compare their efficacy to conventional hemilaminectomy.

Study Design: Experimental; randomized, controlled design.

Animals: Canine cadavers (n = 10; 5 small and 5 large dogs).