chronic idiopathic neutropenia; benign ethnic neutropenia

Epidemiology

• blacks, Sephardic Jews, West Indians, Arabs of Middle East

Pathology

• subpopulations of suppressor T-cells that suppress granulopoiesis have been described
• good bone marrow reserve
• patients are not prone to developing infections

Laboratory

• complete blood count (CBC)
  • neutropenia 1000-1500/uL

* detailed workup usually not indicated Differential diagonsis:

• cyclic neutropenia (risk of infections during nadir)

Management

• not treatment or follow-up needed

More general terms

• neutropenia
• chronic hematologic disease (chronic blood disorder)