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

Infectious-Microfilaria*






Microscopic Features:
  • Very large parasites (as compared to other parasites such as malaria, babesia, or even Trypanosoma)
  • Worm-like appearance
  • Extracellular parasites
Normal % blood-PB, marrow-BM, lymphoid tissue-LN:
  • PB: None
  • BM: None
  • LN: None
May Resemble:
  • Trypanosoma
Differential Diagnoses:

Other parasites
Artifact (cloth, etc.)

Classic Immunophenotype:
  • N/A
Cartoon Image:



Misc:
  • Must scan the smear on very low power to make sure it's not missed Extracellular parasite