Bone marrow aspiration is generally a safe procedure ... proximal humerus (greater tubercle), trochanteric fossa of the proximal femur, sternum or rib. The most common sites are the iliac crest ...

Aspiration means the doctor or nurse draws some liquid bone marrow up into a syringe ... You lie on your side with your knees tucked up into your chest. Your doctor or nurse cleans the area with some ...