eng Science and Education Publishing American Journal of Medical Case Reports 2374-216X 2021-03-03 9 5 289 290 10.12691/ajmcr-9-5-7 AJMCR2021957 article Nicola Jackson nicolanatashajackson@gmail.com 1 Alicia Pollard 1 Shion Betty 1 Jasdeep Boparai 1 Piedmont Athens Regional Hospital, United States Myelodysplastic syndrome (MDS) is a group of stem cell disorders characterized by ineffective hematopoiesis resulting in cytopenias and is rarely seen in patients younger than the age of 40 years old. MDS tends to be more aggressive in the younger population. We report a case of a 26-year-old male who presented with MDS. http://pubs.sciepub.com/ajmcr/9/5/7/ajmcr-9-5-7.pdf Myelodysplastic syndrome Paroxysmal nocturnal hemoglobinuria