Tech-Special Procedures(Bone Marrow Aspiration)
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The basic indication for bone marrow aspiration
answer questions that a routine hematology can't answer
- nonregenerative anemias
- suspected hematopoietic tumors (plasma cells+lymphoma)
- proximal humerus
- proximal femur
- wing of ilium
When is the wing of the ilium not used?
dogs less than 25lbs and cats
How is the crest of the ilium approached?
dorsal crest or lateral face
VTNE question:Where is the majority of red marrow produced?
pelvis and sternum
2 most common needle types:RI
- rosenthal needles
- illinois sternal-iliac
Dogs need what?
Clip hair, aseptically prepare, wear sterile gloves, make an incision through the skin and how is needle put into the bone?
by rotating the needle
What size syringe is used?
Why are only small drops placed onto slides?
marrow clots rapidly
Only a small amount of marrow is aspirated in the first place because large amounts...
dilute with peripheral blood
Larger amounts can be placed in what?
What can be picked out with a needle or pipette?
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