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dry tap |
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dry tap True dry tap Hematology A needle biopsy of BM, usually from the iliac crests, in which either blood without clot, or no material at all, is obtained Etiology Reticulum fibrosis, marrow necrosis or an extremely packed marrow, DTs occur
in 5-10% of all BM biopsies; 60+% of DTs are malignant, most are lymphoproliferative disorders–eg hairy cell leukemia, AML, myelofibrosis, lymphoma, myeloma, metastatic CA; benign disease–eg iron deficiency anemia, marrow hypoplasia,
hemosiderosis, granulomas, pernicious anemia, accounts for the remaining DTs How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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If cytogenetics and/or flow cytometry are critical in a dry tap scenario, a second core biopsy may be obtained and placed in sterile saline. Make sure caution is used should it be a dry tap, allowing iron to blow out. |
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