DOI: http://dx.doi.org/10.18203/2320-6012.ijrms20170637

Bone marrow aspiration cytology in the diagnosis of hematologic and non-hematologic diseases in a multi-specialty hospital in Nepal

Sabin Ranabhat, Sushna Maharjan, Mamata Tiwari, Anita Bhandari, Bidur Prasad Osti

Abstract


Background: Peripheral blood smear examination and other routine laboratory assays are not always sufficient to diagnose various diseases which affect the blood and bone marrow. A bone marrow aspirate examination is essential in most of the cases.

Methods: This work was a hospital-based cross sectional analytical observational study carried out in the department of pathology at the Chitwan Medical College, Teaching Hospital, Nepal, over a period of 3 years from January, 2013 to December 2015. Bone marrow was aspirated from posterior superior iliac crest under local anesthesia; sternum was the alternative site in obese patients. Univariate analysis was performed for each variable using frequency distribution and means with the help of Statistical Package for Social Sciences 20.0 (SPSS 20.0) software.

Results: One hundred and fifty-nine patients were included in the study. Eight cases of 'dry tap' were excluded, for whom bone marrow biopsy was advised. Anemia was the largest group followed by malignancy, infection and miscellaneous diseases. Among anemia, megaloblastic anemia was the most common, followed by aplastic anemia, dyserythropoietic anemia and myelopthisic anemia. The category 'malignancy' consisted of leukemia, multiple myeloma and myelodysplastic syndrome. Regarding individual diseases, megaloblastic anemia was the most common haematological disorder followed by immune thrombocytopenic purpura, leukemia and aplastic anemia.

Conclusions: Bone marrow aspiration cytology is a mildly invasive technique which can diagnose many haematological and non-hematologic diseases that can be confirmed by more advanced investigations, if needed: serological, biochemical or molecular. However, bone marrow sample cannot be obtained (dry tap) in a proportion of cases. In such cases, a bone marrow biopsy needs to be performed.

Keywords


Bone marrow aspiration cytology, Nepal, Spectrum of diseases

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