Changes

==Introduction==

==Introduction==

[[File:Intervertebral disc degeneration.jpg|200px|right|thumb|Intervertebral disc degeneration (Courtesy of Bristol Biomed Image Archive)]]

[[File:Intervertebral disc degeneration.jpg|200px|right|thumb|Intervertebral disc degeneration (Courtesy of Bristol Biomed Image Archive)]]

The term ''''Intervertebral Disc Disease'''' ('''IVDD''') refers to several pathological processes involving the intervertebral discs. It is common in the '''dog''', and the type of degeneration of the disc is normally related to the breed of dog. Although any disc in the [[Spinal Column - Anatomy & Physiology|spinal column]] may be affected it is normally the '''cervical, thoracic or lumbar discs''' that are affected as they are less supported by surrounding structures.  

The term ''''Intervertebral Disc Disease'''' ('''IVDD''') refers to several pathological processes involving the intervertebral discs. It is common in the '''dog''', and certain breeds of dog have a genetic predisposition to early-onset IVDD. Any disc in the [[Spinal Column - Anatomy & Physiology|spinal column]] may be affected with the most prevalent clinical signs resulting from lesions in the '''cervical, thoracic or lumbar discs'''.

==Hansen Type I==

==Hansen Type I==