(1)CD5阳性一般见于CLL和MCL,5%~15%的MZL和LPL也可表达CD5[26]–[28],CD5阴性的CLL罕见,5%~15%的MCL可表现为CD5阴性[27],[29]。. Here, CD5 is linked to B-cell chronic lymphocytic leukemia.