("Multiple Sclerosis/therapy"[Mesh] OR Disseminated Sclerosis OR MS (Multiple Sclerosis)) AND ("Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use"[Majr] OR Statins OR Statin OR HMG-CoA Reductase Inhibitor)) AND( ("Disease Progression"[Majr]) OR (Disease progression ) OR (disease outcome)OR (clinical outcome)). The gene discussed is HMGCR; the disease is myeloid sarcoma.