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Merck Manual
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Professional
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Hematology and Oncology
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Leukopenias
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Leukopenias
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Overview of Leukopenias
Lymphocytopenia
Etiology
Acquired lymphocytopenia
Inherited lymphocytopenia
Etiology references
Symptoms and Signs
Diagnosis
Treatment
Key Points
Monocytopenia
Monocytopenia due to GATA2 mutation
Monocytopenia reference
Neutropenia
Etiology
Neutropenia caused by intrinsic defects in myeloid cells or their precursors
Secondary neutropenia
Etiology references
Symptoms and Signs
Diagnosis
Evaluation for infection
Identification of cause
Treatment
Acute neutropenia
Chronic neutropenia
Treatment references
Key Points