Etiological causes of pancytopenia: A report of 137 cases.

Objective: The aim of this study is to evaluate the etiological causes of pancytopenia in patients who were admitted to the hematology ward due to pancytopenia.

Materials And Methods: All patients who were admitted to the hematology ward of Ministry of Health Istanbul Training and Research Hospital due to pancytopenia between 2013 and 2015 were retrospectively evaluated regarding etiological causes.

Results: A total of 137 patients was evaluated. The etiological causes of pancytopenia were recorded as Vitamin B12 deficiency (: 24; 17%), chronic liver disease (: 21; 15%), malignancy (: 19; 13%), myelodysplastic syndrome (: 18; 13%), aplastic anemia (: 11; 8%), rheumatic diseases (: 7; 5%), and endocrine causes (: 3; 2%).

Conclusion: The etiological causes of pancytopenia vary depends on patients' age, gender, country, and other conditions. Vitamin B12 deficiency is the most common treatable cause of pancytopenia. Most of the etiological causes could be diagnosed with laboratory analysis and radiological imagings, without the need of a bone marrow examination.