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10 Cards in this Set
- Front
- Back
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Describe the development of a strongylodiasis infection?
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Penetration through skin
Migration to lungs Entry into gut (by swallowing) Attachment to mucosa |
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What other infections mimic strongylodiasis in terms of development?
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Hookworm
Ascariasis |
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What is the vector for onchocerciasis?
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Blackfly
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What is the Mazotti reaction?
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Reaction caused by treatment with antifilarial drugs
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What are the two common sites affected by onchocerciasis?
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Skin
Eye |
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What are the skin manifestations of onchoceriasis?
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dermatitis
"Leopard Skin" |
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Why is ivermectin not successful in treating an onchoceriasis infection?
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It kills only immature worms and not adult worms
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Why is doxycycline useful in treating onchoceriasis?
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It kills Wolbachia, the sympbiotic bacteria that live in adult worms, this blocking their reproductive cycle
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Where can an onchoceroma be found?
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In the dermis
Adults infiltrate and mate in the dermis microfilariae released by females accumulate in the skin and in the eye |
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How is the eye affected in microfilariasis?
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Cornea - punctate keratitis, followed by a sclerosing keratitis
Anterior chamber - irodocyclitis and glaucoma Choroid and retina - atrophy and loss of vision |
