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Title: Comparison of bone marrow aspiration and bone marrow biopsy in neoplastic diseases.
Author: Hamid GA, Hanbala N.
Journal: Gulf J Oncolog; 2009 Jul; (6):41-4. PubMed ID: 20194084.
Abstract:
Naturally trephine biopsies have definitive advantages over aspirates in case of dry tap bone marrow aspirates as a result of fibrosis or densely packed bone marrow by tumour cells and may be informative independent of cytology especially in bone marrow involvement by lymphomas and carcinomas. In this prospective descriptive study we aimed to compare between the bone marrow trephine biopsy (BMTB) and bone marrow aspirates (BMAs) regarding the detection rate of solid tumours, lymphoma and myeloma involvement of the bone marrow. The study was carried out in the department of pathology and Haematology-Oncology of Al-Gamhouria Teaching Hospital/Aden during the period between Jan 2005 to Dec 2005. A total of 32 patients with suspected or confirmed malignancy undergone both BMTB and BMA from the posterior superior iliac crest and both results were compared. We divided them into three groups: those with solid tumours (21) patients, lymphoma (7) patients and with MM (4) patients. Our results showed that BMA had a 47.6% sensitivity, 100.0% specificity, with positive predictive value (100%), and negative predictive value (50.0%). In solid tumours alone it had a sensitivity of (40.0%), 100% specificity, with positive predictive value (100%), and negative predictive value (64.7%). This gives the BMA a lower sensitivity in detecting solid tumour metastasis and lymphoma involvement in comparison to BMTB. In conclusion, any patient with suspected or confirmed cancer should undergo BMTB because of its high sensitivity compared to BMA.

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