A member asked:

Are bone marrow biopsies done on both sides?

3 doctors weighed in across 2 answers

May be yes may be no: Usually the biopsy performed on one side, but if they could aspirate enough material they go on other sit?

Answered 2/1/2012

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They can be: Most of the time a bone marrow biopsy and aspiration is done on one side (unilateral). For the staging of certain cancers a biopsy is done on both sides (bilateral).

Answered 1/5/2019

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