Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a rare type of acute leukemia that impacts about 500-1,000 people in the U.S. each year. It mainly affects older patients, but can affect people of any age.

Blastic plasmacytoid dendritic cell neoplasm springs from a rare immune cell that is usually found in the skin, bone marrow, blood, lymph nodes and spleen. Because it affects almost every part of the body and its name...