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

Platelet Satellitosis*


Click Here for Full Size

---

› 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:

• Stain artifact
• Monocyte [Compare]
• Neutrophil [Compare]

› Differential Diagnoses:

EDTA-induced Autoimmune patients Pregnancy

› Classic Immunophenotype:

• CD41+
• CD61+

› Cartoon Image:


Click and drag

for direct comparison
› Misc:

• 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)