Define in session: in the process of meeting formally; conducting classes â in session in a sentence in the process of meeting formally; conducting classesâ¦ See the full definition
This condition can be caused by certain medications and by infections. In some cases, it is caused by a cancer or precancerous condition. Myelofibrosis, bone marrow scarring that can result from various hematologic cancers, typically leads to low blood counts. Pancytopenia can also be caused by aplastic anemia, a bone marrow failure disorder that affects blood cell production.
Myelofibrosis is actually a type of chronic leukemia â cancer that upsets the tissues that are blood-forming in the body. This disorder can happen on its own (primary myelofibrosis) or it may occur because of other disorders of the bone marrow (secondary myelofibrosis).