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Spinal Stenosis 1

General awareness of the importance of chronic cauda equina compression has developed over twenty years. Initially patients may be referred equally to neurological, orthopaedic, vascular or rheumatological clinics. Because of the confusion over semantics, even within a single general hospital, it is impossible to obtain an accurate assessment of the frequency of this condition, but our impression is that about 20 to 30 new cases a year are encountered in a general hospital, over half of whom are suitable for surgical relief. The following terminology adopted in the literature leads to difficulty in recall of data: