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CHAPTER 21  ■  Acute Leukemias                         403




                   Monoclonal Antibodies                                                                                       Imm                                                 m                         m

                                                                                                                                                     k  m                                              q           -
                   Im m unophenotyping                                                                                                        .


                   Imm                                                 m                         m                                  T   m                                                                 CD

                                                    k  m                                                                       (B        )        CD   (          ) m  m          m   k    . P

                    q                           . I                                       m  m                                 B           x              , CD  ,        CD                                  B-

                   m   k                                      ,           m                         z                                        ,     m              . I       ,                             CD

                                    m                                                m                -                            .

                                                                       k  m               m      m                                  I                ,          CD    ,       ,        CD               x

                   (              .    ).                                                                                           mm                                                                                -

                        D                                  ,                                                                                                                       m                  . R

                   m                                                                   z                   -                                            m         m       m    m                            .

                            m  m                                           x                       m                                A         -        CD    -                                              m

                        k  m           . T    m  j                                ALL   x                                       -        m     B-       ALL .

                                                                                m     B-   m

                                       ;  m            m         x                                    .                        B-Lineage Markers

                   T              mm                              m  m          m   k                                          CD          m          q                                  CD

                    m                                           . R                                                            B-ALL. CD                               m  j

                    -            k  m         m                                                       -                        B-       ALL                        -ALL.               CD

                                                    ,                           f                        .                                      m         B-       ALL.



                                                                                                                               T-Lineage Markers


                                                                                                                               CD                                               -       ALL. O         -
                                                Monoclonal Antibodies Used                                                                   —CD  ,  CD  ,  CD  ,         CD    —


                       TABLE        21.18       in Leukemia and Lymphoma                                                                             .

                                                Identi  cation
                                                                                                                               B-Cell Markers

                       Cluster                                     Cell Type                                                   B-       m               (F   .     .    )                                            -B,



                       CD1a                                        T                                                               -B,        m         B-                . T                             m   k
                                                                                                                                                           -B           CD    . T    m         B                  -
                       CD2                                         T
                                                                                                                                                                                      mm                    (SI  ). T

                       CD3                                         T                                                            mm                                           ALL

                       CD4                                         T                                                                                                                                    . B


                       CD5                                         T                                                                                              B-      m
                                                                                                                               CD            CD    , m                    ALL                                 -
                       CD7                                         T
                                                                                                                                       . T    CD     m   k                                 m                  -
                       CD8                                         T                                                                         m B-                       m                    k  m    (B-CLL),


                       CD10                                        B                                                           B-          m      m   , B-            k  m       x             ALL,   -CLL


                       CD11b                                       M/G                                                         Séz      ’            m  , AML,        CML                    .


                       CD11c                                       M/G precursors
                                                                                                                               Other Surface Membrane Markers
                       CD13                                        G/M (most G, some M)


                       CD14                                        M, some G                                                   O                     m  m           m   k
                                                                                                                                m              m           ,     m             m                 ,            m
                       CD19                                        B
                                                                                                                               B-       m                  . T    HLA-DR             m   k

                       CD20                                        B                                                                                  .

                       CD21                                        B


                       CD22                                        B


                       CD25                                        T                                                           LIFE-  HREA  ENING EMERGENCIES


                       CD33                                        G                                                           T   m         mm          -                     m

                       CD41                                        Megakaryocytes and platelets                                                                  k  m


                       CD42b                                       Megakaryocytes and platelets                                I


                       CD45                                        Various cells                                               B
                                                                                                                               L    k  m
                       CD, cluster designation; T, T lymphocyte; B, B lymphocyte; M, monocytes;                                M                       m

                       G, granulocytes.
                                                                                                                               H            k
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