1, mechanical (structural), muscle injury, osteoarthritis, disc herniation 2, rheumatic, ankylosing spondylitis, rheumatic polymyosarcoma, leukoarthrosis 3, endocrine, metabolic, osteoporosis, osteochondrosis 4, neurological, psychological, neuropathic arthritis, depression, neuropathy 5, infectious, vertebral infection, septic sacroiliitis, herpes zoster 6, neoplastic, invasive Giant cell tumor, hemangioma, multiple myeloma 7, mixed, paget`s disease of bone, retroperitoneal fibrosis Vertebral body sarcoma-like 8, related diseases, vascular, gastrointestinal disease, urogenital system