What today's consumers need to know about lumens. The term lumen is a measurement of light output which consumers have a need to become more and more aware of. Back in the day, we went to the store and bought light bulbs. We had become used to what a 60 watt or 100 watt light bulb looked like and how much light they provided.
Healthline states that some of the major causes of granulocytosis are bone marrow disorders. Chronic myelogenous leukemia, primary myelofibrosis and polycythemia vera are some kinds of bone marrow diseases that cause high granulocyte count.
Quick Answer. According to MedicineNet, a low granulocyte count can be caused by bacterial or viral infections, certain cancers, chemotherapy drugs, radiation treatment or certain autoimmune disorders. A low granulocyte count can also occur in healthy people without any known cause. Granulocytes are immune cells that are filled with toxic granules.