title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 17-1992. Repeated bouts of hematochezia in an 80-year-old hypertensive man.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000753:Anemia, Refractory / Q000473:pathology*; D000756:Anemia, Sideroblastic / Q000473:pathology*; D001853:Bone Marrow / Q000473:pathology; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009190:Myelodysplastic Syndromes / Q000175:diagnosis / Q000473:pathology*; D009196:Myeloproliferative Disorders / Q000473:pathology; D013920:Thrombocythemia, Essential / Q000175:diagnosis / Q000473:pathology*