Abstract

DORSAL COMPRESSIVE MYELOPATHY DUE TO OSSIFIED YELLOW LIGAMENT - A COMPARATIVE STUDY

Author(s): B. Hayagriva Rao 1 , K. Satyavara Prasad 2 , B. Harshavardhan 3 , B. Sandeep 4 , P. Vijay Kumar 5

INTRODUCTION The well-known causes of Dorsal myelopathy are Koch’s Spine and Metastasis. Ossified Yellow Ligament is a rare cause, endemic in some parts of the world. With advances in imaging techniques, preoperative evaluation and diagnosis has become easier. MATERIALS AND METHODS Twenty-one cases of Dorsal ligamentum flavum thickening causing compressive myelopathy have been studied and evaluated with Nurick grading preoperative and post-operatively. The age distribution, presenting complaints, duration of symptoms, preoperative Nurick grade, level of spinal involvement, surgical procedures and post-operative Nurick grade were compared among male and female patients and also among different age groups RESULTS AND CONCLUSION Males are twice commonly affected than females. Parasthesias are present in all most all cases. Lower dorsal segment is solely involved in females whereas multiple