You describe leg symptoms and no lower back pain. Complete loss of disc height of L5-S1 is isolated disc resorption (IDR-see website) which is a degenerative and not an inflammatory condition (not caused by rheumatoid or psoriatic arthritis).
If you have only leg symptoms, then your IDR is non-symptomatic. Count yourself lucky if this is the case.
The leg symptoms could be related to foraminal stenosis (see website) which can cause nerve compression. The symptoms are specific for this disorder. If the symptoms do not fit with the description, you might have peripheral neuropathy (again-website) which can be caused by your inflammatory disorders or by the medication used to treat these disorders.
Dr. Corenman
PLEASE REMEMBER, THIS FORUM IS MEANT TO PROVIDE GENERAL INFORMATION ON SPINE ANATOMY, CONDITIONS AND TREATMENTS. TO GET AN ACCURATE DIAGNOSIS, YOU MUST VISIT A QUALIFIED PROFESSIONAL IN PERSON.
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.
Donald Corenman, MD, DC is a highly-regarded spine surgeon, considered an expert in the area of neck and back pain. Trained as both a Medical Doctor and Doctor of Chiropractic, Dr. Corenman earned academic appointments as Clinical Assistant Professor and Assistant Professor of Orthopaedic Surgery at the University of Colorado Health Sciences Center, and his research on spine surgery and rehabilitation has resulted in the publication of multiple peer-reviewed articles and two books.