There are 57 conditions associated with blurred vision, dizziness, floating spots or strings in vision and lightheadedness. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.
Bone marrow aspiration. The bone marrow aspiration is usually done first. The doctor makes a small incision, then inserts a hollow needle through the bone and into the bone marrow.Using a syringe attached to the needle, the doctor withdraws a sample of the liquid portion of the bone marrow. You may feel a brief sharp pain or stinging.one marrow aspiration. The bone marrow aspiration is usually done first. The doctor makes a small incision, then inserts a hollow needle through the bone and into the bone marrow.
In children, the red bone marrow is in the long bones, such as the femur. A bone marrow biopsy involves removing tissue from the red bone marrow to be sent to the lab for microscopic examination.The biopsy is done using a small needle inserted into an age appropriate area (long bone for children, flat bone for adults). A local anesthetic agent may be given before starting the procedure.n children, the red bone marrow is in the long bones, such as the femur. A bone marrow biopsy involves removing tissue from the red bone marrow to be sent to the lab for microscopic examination.