lumbar facet diseasefacet syndrome of lumbar spinelumbar facet spondylosislower lumbar facet hypertrophylower lumbar facet joint degenerationlumbar facet arthritislower lumbar facet arthrosislower lumbar facet arthropathylumbar facet joint diseasefacet arthritis of lumbar regionosteoarthropathy lumbar spinelumbar facet joint hypertrophy