Source of Support: None, Conflict of Interest: None
Lumbar spinal canal stenosis was described by Schatzker and Pennal (1968) as a localized narrowing of the spinal canal due to structural abnormality which may give rise to cauda equina compression producing a specific symptom complex of low backache with sciatica or neurogenic claudication in the lower limbs. Dognath and Vogl (1925) described first evidences of narrowing of lumbar spinal canal in achondroplasiac spine. Schlesinger and Taverae (1953) described that narrow spinal canal with herniated intervertebral disc may present atypical picture of multiple root or cauda equina compression. Verbiest (1954,1955) drew attention to the presence of narrowing of lumber spinal canal in otherwise normal individuals. Several studies have subsequently confirmed this entity. Nevertheless there is some confusion as to the exact nature of this narrowing; it was considered worthwhile to report the observation in Indian patients.