Osteoblasts and osteoclasts in bone marrow smears of cancer patients
Abstract
Osteoblasts and osteoclasts are the unique cells occurring in bone marrow smears in situations with high bone metabolic turnover (children, trauma, rachitis, Paget disease or tumors). The collection of 2706 sternal or iliac crest aspirates from patients with hematologic malignancies and solid tumors are presented. We demonstrated significantly higher positivity for osteoblasts-osteoclasts presentation in bone marrow smears for hematological malignancies (p < 0.05), solid tumors (p < 0.01), and especially breast cancer (p < 0.001). We found a significant association between osteoblast-osteoclast positivity and dissemination of breast cancer (p < 0.05). None of the breast cancer patients without signs of dissemination (X-ray, sonography or scintigraphy) had positivity for osteoblasts or osteoclasts. We suppose that the osteoblast-osteoclast positivity in bone marrow smears can serve as a cheap marker for breast cancer dissemination.
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Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence.
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