dry tap

A needle biopsy of bone marrow, usually from the iliac crests, in which either blood without clot, or no material at all, is obtained
Aetiology Reticulum fibrosis, marrow necrosis or an extremely packed marrow. Dry taps occur in 5–10% of all bone marrow biopsies; 60+% of dry taps are malignant, most are lymphoproliferative disorders—e.g., hairy cell leukaemia, AML, myelofibrosis, and lymphoma, and, less commonly, myeloma, metastatic cancer and melanoma; benign disease—e.g., iron deficiency anaemia, marrow hypoplasia, haemosiderosis, granulomas, pernicious anaemia—accounts for the other dry taps

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
References in periodicals archive ?
Because focal areas of myeloid cells and eosinophils raised the rare possibility of CML, cytogenetic studies were also pursued despite the dry tap.
The protocol used to isolate cells from bone marrow core biopsies from a dry tap was initially described by one of our colleagues.
Although it is not necessary to perform trephine biopsy in every case, it is of paramount importance in cases of aplastic anemia, which results in a dry tap.
Users have been paying too much, for too long, to over-fill the coffers of shareholders Meanwhile, when Green - the UK''s highest-paid water chief - swans off into the blue yonder with a likely pounds 4m shares bonus next March, after only five years but many more burst water mains in the job, there will hardly be a dry tap in the house, best remembered as he is for axing the equivalent of 500 full-time jobs.
Make sure caution is used should it be a dry tap, allowing iron to blow out.
The bone marrow aspiration was a dry tap in each of three consecutive attempts.
On day 15 of the chemotherapy, repeated bone marrow aspiration was a dry tap.
AFTER A summer of dry taps and a sinking water table, Gurgaon might finally be getting some respite.
But locals had woken up to dry taps and dark brown water.
A mortar attack on Friday forced the shutdown of a water plant, leaving millions with dry taps in 100F (38C) heat.
REVELLERS hoping to visit Ipanema in Broad Street this weekend face closed doors and dry taps.