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


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Microscopic Features:
  • Swirl-shaped (worm shaped) extracellular parasite
  • The length is twice that of the RBC diameter and the width is ~1/2-1/3 that of a RBC diameter
Normal % blood-PB, marrow-BM, lymphoid tissue-LN:
  • PB: None
  • BM: None
  • LN: None
May Resemble: Differential Diagnoses:

Other parasites

Classic Immunophenotype:
  • N/A
Cartoon Image:

  • Extracellular parasite

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