Blood/Blood Cells and Cellular Components ›› Platelets ›› Abnormal

Platelet Satellitosis*

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Microscopic Features:
  • Small platelets or platelet aggregates surrounding the cell membrane of a neutrophil or monocyte
Normal % blood-PB, marrow-BM, lymphoid tissue-LN:
  • PB: Rare to None
  • BM: Rare to None
  • LN: None
May Resemble: Differential Diagnoses:

Autoimmune patients

Classic Immunophenotype:
  • CD41+
  • CD61+
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  • As a result of the platelets attaching to the surgface of neutrophils or monocytes, the platelet count measured by an automated instrument during a CBC could become falsely decreased (pseudo-thrombocytopenia)

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