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What is Subacute combined degeneration of spinal cord and explain in detail?
Subacute combined degeneration of spinal cord, also known as myelosis funiculus, or funicular myelosis, also Lichtheims disease, and Putnam-Dana syndrome, refers to degeneration of the posterior and lateral columns of the spinal cord as a result of vitamin B12 deficiency (most common), vitamin E deficiency, and copper deficiency. It is usually associated with pernicious anemia.

Signs and symptoms
The onset is gradual and uniform.  The pathological findings of subacute combined degeneration consist of patchy losses of myelin in the dorsal and lateral columns