Y the abnormal large and small B-cells, were performed on the standard immunohistochemical staining. The definition of the positive BMB(0)-BMI was either the large or small B-cells evaluated by our experienced hemapathologists.PET-CT image acquisitionPET-CT examination was performed with an integrated scanner (Siemens biograph 16; Siemens). 18 F-fluorodeoxyglucose (18F-FDG) was produced by CTI RDS