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Abstract Background Pancytopenia is an important hematological problem encountered in routine clinical practice associated with a multitude of disease states. The possible causes of pancytopenia can be influenced by geography, socioeconomic conditions, and endemic illnesses. Information regarding the underlying clinical conditions and morphologic features of blood cells of pancytopenia is limited and varied across different regions. Thus, this study was designed to assess the peripheral morphologic features of blood cells and the underlying clinical causes of pancytopenia. Methods A facility-based cross-sectional study was conducted at the Jimma Medical Center hematology laboratory from June 13 to November 13, 2022. A total of 3 mL of whole blood was collected from each subject for complete blood count analysis and peripheral blood morphology examination. Data on sociodemographic and clinical conditions were collected from medical records using a checklist. The data were analyzed using Statistical Package for the Social Sciences version 26. Results A total of 163 patients with pancytopenia were identified within the 5 months. Hyper-reactive malarial splenomegaly was the most prevalent cause (29.4%), followed by megaloblastic anemia (20.2%), chronic liver disease (10.4%), and acute leukemia (8.6%). Anisocytosis was the predominant peripheral blood morphology finding (82.2%), along with microcytosis (49.7%), ovalocytosis (31.3%), and macrocytosis (30.7%). Severe anemia was observed in 57% of cases, whereas the majority (92%) exhibited moderate leukopenia. A significant proportion (42.3%) had a platelet count below 50,000/μL. Conclusion Unlike previous studies conducted in other parts of the world, this study showed that hyperreactive malarial splenomegaly was the leading cause of pancytopenia. This emphasizes the necessity of considering this condition as a possible cause for pancytopenia, particularly in malaria-endemic areas. The findings of the hematological profiles and peripheral blood morphology strongly suggest that early identification and prompt management of patients with pancytopenia require collaboration between clinical and laboratory investigations.
Kiya et al. (Sat,) studied this question.