Classification

Grade 1: Predominant thoracic central (axial) pain

Grade 2: Predominant thoracic radicular pain

Grade 3A: Significant axial and thoracic radicular pain

Grade 3B: Significant axial and lower leg pain with or without thoracic radicular pain

Grade 4: Myelopathy but not significant motor weakness

Grade 5: Paretic or paralytic (significant motor weakness)

Explanation

Provide an explanation for key principles and pertinent aspects of the classification

Figures

Insert figures illustrating the classification

Reference(s)

Anand N, Regan JJ. Video-assisted thoracoscopic surgery for thoracic disc disease: Classification and outcome study of 100 consecutive cases with a 2-year minimum follow-up period. Spine. 2002 Apr. 15;27(8):871-879.