What does medical one-time bone marrow biopsy needle detect

Oh, bone marrow aspiration is to use bone to Pierce a needle into the bone rich in bone marrow, take out the needle core, connect the syringe (syringe) and suck the bone marrow fluid with negative pressure.

Bone marrow biopsy, then after bone marrow puncture further need to use biopsy needle hard forceps bite a part of bone marrow biopsy, this is especially helpful for bone marrow puncture multiple "dry extraction", such as some diseases such as myelofibrosis, so you only bone marrow puncture, then often dry extraction, marrow fluid can not be extracted.

So a bone marrow biopsy is a further diagnostic tool