University of Medicine and Pharmacy of Targu MuresBackground. Chronic lymphocytic leukemia (CLL) is the most common form of adult leukemia
in the western European countries and is characterized by the relentless accumulation of
monoclonal B cells with the appearance of small mature lymphocytes and with a characteristic
immunophenotype. Even with the right treatment, this disease is known to have a variable
course: some patients die within one year after diagnosis while others live for longer than ten
years
