<prompt> Demy el inating neurological lesions in the spinal cord are associated with deficiency of vitamin: March 2013 gB1B3B6B12  <response>: Ans. D i.e. B12 Subacute combined degeneration of spinal cordLichtheims disease It refers to degeneration of the posterior and lateral columns of the spinal cord as a result ofvitamin B12 deficiency most common or vitamin E deficiency. It is usually associated with pernicious anemia. 