Table 8

Hematologic features of phenotypes seen in GATA2 deficiency

PhenotypeNormalImmunodeficiencyBone marrow failureMDS/AML/CMML
Infections  + +/− +/− 
Peripheral blood     
 No cytopenias +    
 Monocytopenia  + + + 
 B-, NK- lymphopenia  + + + 
 Inverted CD4:CD8 ratio  + + + 
 Anemia   +/− +/− 
 Neutropenia   +/− +/− 
 Thrombocytopenia   +/− +/− 
 Increased blasts    +/− 
 Monocytosis    + (CMML, AML[monocytic]) 
Bone marrow morphology     
 Normocellular +    
 Hypocellular  +/− + +/− 
 Hypercellular    −/+ 
 No dysplasia +    
 Atypical megakaryocytes  +/− + + 
 Myeloid/erythroid dysplasia    + 
 Increased blasts    + (RAEB, AML, CMML) 
Bone marrow flow cytometry     
 No cytopenias +    
 Monocytopenia  + + + 
 B-, NK-lymphopenia  + + + 
 Reduced hematogones  + + + 
 Inverted CD4:CD8 ratio  + + + 
 Abnormal myeloid maturation    + 
 CD19CD56+ plasma cells  +/− +/− +/− 
 Increased blasts    + (RAEB, AML, CMML) 
 Increased monos/precursors    + (CMML, AML[monocytic]) 
Cytogenetics     
 Normal + + + + 
 Abnormal   + + 
PhenotypeNormalImmunodeficiencyBone marrow failureMDS/AML/CMML
Infections  + +/− +/− 
Peripheral blood     
 No cytopenias +    
 Monocytopenia  + + + 
 B-, NK- lymphopenia  + + + 
 Inverted CD4:CD8 ratio  + + + 
 Anemia   +/− +/− 
 Neutropenia   +/− +/− 
 Thrombocytopenia   +/− +/− 
 Increased blasts    +/− 
 Monocytosis    + (CMML, AML[monocytic]) 
Bone marrow morphology     
 Normocellular +    
 Hypocellular  +/− + +/− 
 Hypercellular    −/+ 
 No dysplasia +    
 Atypical megakaryocytes  +/− + + 
 Myeloid/erythroid dysplasia    + 
 Increased blasts    + (RAEB, AML, CMML) 
Bone marrow flow cytometry     
 No cytopenias +    
 Monocytopenia  + + + 
 B-, NK-lymphopenia  + + + 
 Reduced hematogones  + + + 
 Inverted CD4:CD8 ratio  + + + 
 Abnormal myeloid maturation    + 
 CD19CD56+ plasma cells  +/− +/− +/− 
 Increased blasts    + (RAEB, AML, CMML) 
 Increased monos/precursors    + (CMML, AML[monocytic]) 
Cytogenetics     
 Normal + + + + 
 Abnormal   + + 
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