D egenerative lumbosacral stenosis is a neural disease commonly observed in large-breed dogs, particularly in German Shepherd Dogs, Bernese Mountain Dogs, and Golden Retrievers. 1-3 This pathological condition is characterized by intervertebral disk degeneration, disk herniation, loss of disk height, proliferation of soft tissue and bone, and foraminal stenosis. The lesions are dynamic, and for diagnosis, images are required with the LSJ in flexed and extended positions. Surgical treatment for DLSS in dogs includes direct decompression, indirect decompression (which increases LSJ stability), and a combination of these 2 methods. Direct decompression, which releases pressure on the terminal region of the spinal cord, may include procedures such as dorsal laminectomy, uni-Effects of intervertebral distraction screw fixation of the lumbosacral joint on the adjacent lumbar segments in Beagles Hirofumi Tanoue bvsc, ms

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