Marc Darrow, MD, JD. Bone marrow aspiration concentration, sometimes referred to as stem cell therapy, is an injection procedure that may help some patients with chronic ankle pain. Bone marrow aspirate concentrate (BMAC) comes from a patient’s own bone marrow. This solution contains many cell types and biofactors such as cytokines (messenger cells that stimulate … Continue reading Stem cell therapy and ankle osteoarthritis injections | Joint Rehab Los Angeles