Manifesting by the specific strain, the spondyloarthrosis we will speak about here, occurs in one of the intervertebral joints or in several joints, but speaking about the latter case, the multiplicity of lesions often does not have etiopathogenetic and temporary unity.

Unlike the spondyloarthrosis, the osteochondrosis is a polyarthritisual process. A pathological term osteochondrosis designates a primary dystrophic process in the articular cartilage with the secondary dystrophic and regenerative phenomena in the subchondral bone without the inflammatory phenomena. Signs of the degenerative disc disease are narrowing of the articular gap as a result of the collapse of the articular cartilage, sclerosis subcartilaginous epiphyses of the articulate bones, bony growths (osteophytes) at the ends of articulate bones with the changes in their bone structure that is to say, irregular zigzag contours and small subchondral cysts.

According to the modern concepts (for instance, those of Zharkov P.L., 1994), based more on the descriptions of Ch. G. Schmorl and H. Junghans (1932 and 1957 respectively), spondylosis is a process or condition of excess subligamentous (that is about anterior longitudinal ligament) bone formation (that is to say, specific spondylosisual osteophyte), which is not related to the degenerative intervertebral disc and is not related to the anterior longitudinal ligament.

In addition, different pathomorphological variants can sometimes have a common causal and spatio temporal pathogenic elements, such as symmetric spondylosisual and polyarthritisual changes that are often combined with osteochondrosis in the vertebral-motor segment of the same name.

Other forms of the dystrophic lesions of the spine could be considered as follows: for instance, spondylosis dystrophy or fixing hyperostosis etc. This diversity of the dystrophic lesions of the spine is predetermined by the diversity of endopathogenetical and exogenous etio factors, they capture different elements of the SAS. As it has been already noted, they are sometimes interrelated, but require different clinical approach and, of course, can not be combined in a single nosology.

Also, we can point out several things concerning the neurological disorders in dystrophic vertebral pathology. Neurological disorders in combination with the pain in the spine, as it is mentioned above, were known long time ago and were signified by the concepts of “sciatica and lumbago”. The elucidation of the vertebrogenic radicular lesions etiology has required new terms, according to primary vertebral pathological process. They were so-called neurological syndromes of the degenerative disc disease that is to say compression and reflex (according to Popelyansky Y.Y., 1974). According to the author, compression syndromes cover a group of radicular damage caused by the mechanical action of hernial protrusion of the intervertebral disc. Reflex syndromes combine a set of muscular, vascular and other disorders occurring in the respective entities as a result of syn-vertebral nerve stimulation.
So, the theme of the current article is essential for those who deal with the problem and we will continue speaking about it in next articles.

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