Tissue or lymphohematogenous system infection by adult or larval roundworms (nematodes)
Infections can be subclinical (asymptomatic) or present with acute/chronic manifestations
Filari...
Exposure to appropriate vector Travel (location and length of visit).
Symptoms depend on specific tissue infected.
Lymphatic filariasis (W. bancrofti, B. malayi, B. timori)
...
Hygiene (especially handwashing), exercise to encourage lymphatic flow, elevation of limbs; treatment of secondary infection.
Pharmacologic and mechanical removal of nematodes
B77.9 Ascariasis, unspecified
B74.0 Filariasis due to Wuchereria bancrofti
B74.3 Loiasis
B74.2 Filariasis due to Brugia timori
B74.1 Filariasis due to Brugia malayi
B73.00 Onchocerciasis with ey...
Roundworms take up to a year to mature and survive up to 15 years in human hosts. Disease burden increases with exposure over time.
Primary prevention includes arthropod vector control ...
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<bold>FIGURE 54-2</bold> <bold>Life cycle of <i>Ascaris lumbricoides</i> (human roundworm) and dog or cat roundworm (visceral larva migrans).</bold> Humans acquire these infections by ingesting embryonated roundworm eggs from the environment (1). After ingestion the parasites hatch in the upper intestine (2), cross the bowel wall (3), and enter the bloodstream. The human <i>Ascaris</i> (innermost set of arrows in the top half of the diagram) enters the ...
<bold>FIGURE 54-2</bold> <bold>Life cycle of <i>Ascaris lumbricoides</i> (human roundworm) and dog or cat ro...
Cutaneous larva migrans on the sole of another college student who "stepped on something on the beach in Brazil
Cutaneous larva migrans on the sole of a college student reuned from a tropical vacation