Bone
Marrow Examinations - II
Aspirate
versus biopsy:
Aspirate:
Performed using a
syringe
3 – 5 ml fluid drawn
from bone marrow
Biopsy:
Performed using a
trephine needle such as:
Jamshidi needle
A core of the bone
and/or bone marrow is obtained
< 2 years of age = tibia
Anatomic sites
for sampling:
> 2 years of age = iliac crest,
lumbar vertebrae, sternum