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.
Examination of the bone marrow is necessary to make the diagnosis of myeloma and to estimate the extent of the disease. A bone marrow aspiration and biopsy is the procedure to collect a sample of bone marrow. 1  Two types of bone marrow samples are taken: liquid bone marrow (an aspirate) and solid bone marrow within bone core (a biopsy). The test is usually performed on the back of the hip bone.