Term
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Definition
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Term
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Definition
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Term
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Definition
Roundworms (Nematodes)
Tapeworms (Cestodes)
Flukes or Flatworms (Trematodes) |
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Term
Enterobius vermicularis
(roundworm) |
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Definition
| pinworms. food contaminated with eggs, intestinal infection, causes anal pruritus (Scotch tape test) |
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Term
Ascaris lumbricoides (Giant roundworm)
(roundworm) |
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Definition
| eggs visible in feces, intesinal infection |
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Term
Trichnella spiralis
(roundworm) |
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Definition
| undercooked meat, usually pork, causes inflammation of muscle (larvae encyst in muscle), periorbital edema |
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Term
Strongyloides stercoralis
(roundworm) |
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Definition
| larvae in soil penetrate skin, intestinal infection, causes vomiting, diarrhea and anemia |
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Term
| Anyclostoma duodenale, Necator americanus (hookworms) (roundworm) |
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Definition
| larvae penetrate the skin of feet, intestinal infection can cause anemia (sucks blood from intestinal walls) |
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Term
Dracunulus medinensis
(roundworm) |
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Definition
| in drinking water, skin inflammation and ulceration |
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Term
Onchocerca volvulus
(roundworm) |
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Definition
| transmitted by female black flies, causes river blindness, with skin nodules and lizard skin |
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Term
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Definition
| transmitted by dder fly, horse fly and mango fly, causes swelling in skin, can see worm crawling in conjuctiva |
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Term
Wucheria bancrofti
(roundworm) |
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Definition
| female mosquito, causes blockage of lymphatic vessels (elephantitis) Takes 9mths to 1 year after bite to get elephantitis symptoms |
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Term
Toxocara canis
(roundworm) |
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Definition
| food contaminated with eggs, causes granulomas (if in retina => blindess) and visceral larva migrans |
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Term
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Definition
| ingestion of larvae encysted in undercooked pork, leads to intestinal tapeworms, ingestion of eggs causes cysticercosis and neurocysticercosis, mass lesions in the brain (swiss cheese appearance) |
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Term
Diphyllobothrium latum
(tapeworm) |
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Definition
| Ingestion of larvae in raw freshwater fish, causes B12 deficiency, resulting in anemia |
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Term
Echinococcus granulosus
(tapeworm) |
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Definition
| eggs in dog feces, when ingested can cause cysts in the liver (hydatid cysts), anaphylaxis if echinococcal antigens are released from cysts |
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Term
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Definition
| Snails are hosts, cercariae penetrate the skin of humans, cause granulomas, fibrosis, inflammation of the spleen and liver. Chronic infection of S. haematobium can lead to squamous cell carcinoma of the bladder |
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Term
Clonorchis sinensis
(fluke) |
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Definition
| Undercooked fish: causes inflammation of the biliary tract => pigmented gall stones |
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Term
Paragonimus westermani
(fluke) |
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Definition
| undercooked crabmeat, causes inflammation and 2ndary bacterial infection of the lung |
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Term
Nematode routes of infection
Ingested => EAT |
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Definition
| Enterobius, Ascaris, Trichinella |
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Term
Nematode routes of infection
Cutaneous => these get into your feet from SANd |
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Definition
| Strongyloides, Ancylostoma, Necator |
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Term
Parasite findings:
Brain cysts, seizures |
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Definition
| Taenia solium (cysticercosis) |
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Term
Parasite findings:
liver cysts |
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Definition
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Term
Parasite findings:
B12 deficiency |
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Definition
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Term
| Parasite findings: Biliary tract disease |
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Definition
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Term
Parasite findings:
Hemoptysis |
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Definition
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Term
Parasite findings:
Portal HTN |
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Definition
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