mansonella perstans
TRANSCRIPT
MANSONELLA PERSTANS
GD: Tropical Africa, Central and Eastern South America, Central America & Caribbean.Pathogenesis: MansonellosisHabitat: Body Cavities (peritoneal cavity or pleural cavity)Vector: Culicoides sp. (female/biting midges)
EPIDEMIOLOGY
MORPHOLOGY Microfilaria
200 μm in length; width of 4.5 μm; have the ability to elongate and contract (can vary in measurement and form)
unsheathed nuclei extend to the end of the blunt tail head spot sometimes has a V-shaped
appearance Adult
white and thread-like cylindrical in shape Male
45 mm by 60 μm; tail is full coil Female
70-80 mm in length; 120 μm in diameter
LIFE CYCLE
MANIFESTATION often asymptomatic (no symptoms
shown) associated with angioedema, pruritus,
fever, headaches, arthralgias, and neurologic manifestations.
eosinophilia, headache, fever, or abdominal pain may also be present
nodules in conjunctiva (kampala or Ugandan eye worm)
microscopic examination blood samples antigen detection
DIAGNOSIS
TREATMENT
albendazole and mebendazole combination treatments of diethylcarbamazine
and mebendazole doxycycline