<prompt> Ringed Sideroblasts are seen in-Iron deficiency anemiaMyelodysplastic syndroneThalassemiaAnemia of chronic disease  <response>: In MDS myelodysplastic syndrome,within the erythroid series , common abnormalities include ring sideroblasts ,erythroblasts with iron laden mitochondria visible as perinuclear granules surrounding 13 rd of the nucleus in prussian blue stained aspirates or biopsies. Ref: Robbins and Cotrans Pathologic basis of disease;pg :615 under morphology. 