Background The etiologies of pancytopenia in the pediatric age group remain exceedingly ubiquitous and warrant extensive hematological and interventional investigations like bone marrow biopsy. It varies widely from benign nutritional disorders to fatal malignancies. The present study aims to delineate the prevalence of various causes of pancytopenia in the pediatric population. Methods The present cross-sectional study included 96 patients between the age of one month till 15 years with pancytopenia. Study participants were evaluated for various parameters including their demographical details, clinical features, immunization history, and nature of the disorder. The prevalence of various etiologies (nutritional, neoplastic, infectious, autoimmune, and others) of pancytopenia was ascertained. Results Of the 96 patients, 42 (43.75%) were males with a mean age of 69.47 ± 7.12 months. Fever was present in 71.87%, arthralgias in 56.25%, weight loss in 35.41%, and failure to thrive in 18.75% of patients. The bone marrow examination revealed aplastic changes in 36 (37.50%), hyperplastic changes in 21 (21.87%), and normal cellularity in 40.62% of patients. Megaloblastic anemia was the most common nutritional cause of pancytopenia present in 21.85% of cases. Acute lymphoblastic leukemia (ALL) was the most prevalent neoplastic etiology present in 19.79% of patients. Aplastic anemia, miliary tuberculosis, parvovirus B19, and hemolytic anemia were other notable etiologies. Conclusion Megaloblastic anemia and infections like tuberculosis were common treatable etiologies of pancytopenia among the pediatric age group. ALL was the most common neoplastic etiology. Bone marrow biopsy remains crucial in elucidating the various neoplastic and nutritional etiologies of pancytopenia in children.
Keywords: acute lymphoblastic leukemia (all); bone marrow biopsy; megaloblastic anemia; pancytopenia; pediatric age group.
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