Microscopic differentiation of microfilariae

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overview schema

• microscopic features under Giemsa stain
• with or without sheath
• stain of sheath
• number of nuclei in the tip of tail
• position of nuclei in the tip of tail

Wb = Wuchereria bancrofti

Bm = Brugia malayi

Loa = Loa loa

Mp = Mansonella perstans

Mo = Mansonella ozzardi

Onchocerca volvuls also has NO sheath, NO nuclei in the tail (similar to Mansonella ozzardi), but slightly bulged head with nuclei side by side in it

website

• Microscopic differentials of microfilariae

medical article

Mathison BA, Couturier R, Pritt S. Diagnostic Identification and Differentiation of Microfilariae. J Clin Microbiol. 2019;57(10):1-13. doi:10.1128/JCM.00706-19