Blood/Blood Cells and Cellular Components ›› Neutrophils ›› Normal

Band Neutrophil*

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Microscopic Features:
  • 2-3x larger than a mature RBC
  • Low nuclear to cytoplasmic ratio (more cytoplasm than nucleus)
  • Kidney bean-shaped Nucleus with nucleus indentation (more than 1/2 the diameter indented) and mature chromatin (clumped)
  • Nucleoli are absent
  • More cytoplasm with only secondary granules
  • Secondary (specific) granules are neutrophilic (lilac)
Normal % blood-PB, marrow-BM, lymphoid tissue-LN:
  • PB: Rare scattered
  • BM: Scattered
  • LN: None
May Resemble: Differential Diagnoses:

Increased in:
Infections (especially bacterial infections)
Myeloproliferative disorders (e.g. CML)
Leukemoid reaction

Classic Immunophenotype:
  • CD34-
  • CD117-
  • HLA-DR-
  • CD10+
  • CD13+
  • CD33+
  • CD15+
  • CD11b+
  • CD16+
  • MPO+
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  • In normal blood the band forms are almost all neutrophilic and eosinophilic and basophilic band forms are confined to the bone marrow when present

Content Editors/Website Administrators:
Hooman H. Rashidi, MD; John C. Nguyen, MD