Abstract
Central cord syndrome (CCS) is the most common, yet most controversial, among the different spinal cord injury (SCI) incomplete syndromes. Since its original description in 1954, many variations have been described while maintaining the core characteristic of disproportionate weakness in the upper extremities compared to the lower extremities. Several definitions have been proposed in an attempt to quantify this difference, including a widely accepted criterion of ≥10 motor points in favor of the lower extremities. Nevertheless, recent reports have recommended revisiting the terminology and criteria of CCS as existing definitions do not capture the entire essence of the syndrome. Due to methodological differences, the full extent of CCS is not known, and a large variation in prevalence has been described. This review classifies the different definitions of CCS and describes some inherent limitations, highlighting the need for universal quantifiable criteria.
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