Term
| What is the common name, Pathogenesis and Manifestations of Enterobius vermicularis |
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Definition
Pinworm
Path: Only humans
Perianal egg laying
Autoinfection
Signs: Perianal Itching
Scotchtape Test |
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Term
| What is the common name, Pathogenesis and Manifestations of Trichuris trichiara |
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Definition
Whipworm
Path: Football-shaped eggs need 10 days
Signs: Ulcers/Hemorrhage
Prolapse Rectum |
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Term
| What is the common name, Pathogenesis and Manifestations of Ascaris lumbricoides? |
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Definition
Giant Roundworm
Path
Eggs need 2-3 weeks to form Embryonated eggs
Require lung migration and Reswallowing
Signs
Asthma
Pneumonitis
Bile Ductus, Pancreas, Esophogus
Bowel Obstruction |
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Term
What is the common name, Pathogenesis and Manifestations of Necator americanas or Ancylostoma duodenale
What hookworm only infects the cutaneous tissue? |
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Definition
Hookworms
Path
Skin penetration
Extraintestinal migration
Signs
Heme: Iron-def anemia, Hypoalubumin, Cardiac flailure
Lung: Pneumonia /Eosinophilia
GI: Intestinal Hemorrhage
Derm: Erythema, Macules, Papules
Only Cutaneous: Ancylostoma caninus |
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Term
| What is the common name, Pathogenesis and Manifestations of Strongyloides stercoralis |
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Definition
Small Roundworms
Path
Free living also
Skin penetration-> Lung -> Small bowel
Rhabdiform larve differentiate into filariforms to allow autoinfections
Signs
Disseminated Hyperinfection in Immunosuppressed
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Term
| What is the common name, Pathogenesis and Manifestations of Trichinella spiralis |
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Definition
Trichinosis
Path
Undercooked pork
Larvae-> Muscle
Converts muscle cells into nurse cells
Signs
Muscle edema
Facial Edema |
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Term
| What is the common name, Pathogenesis and Manifestations of Wuchereria bancroftii and Brugia malayi? |
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Definition
Filarial Worms
Path
Mosquito-> Lymphatics
Microfilariae(Embryos) for reuptake by vector
Signs
Pulmonary Eosinophilia
Elephantiasis |
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Term
| What is the common name, Pathogenesis and Manifestations of Drancunculus medinesis |
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Definition
Guinea Worm
Path:
Crustaceon Swallowing
Intestine-> Gravid Females-> skin
Signs
Ulcers from gravid females |
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Term
| What is the common name, Pathogenesis and Manifestations of toxocara |
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Definition
Path
Dogs and cats with Verticle transmission
Infect mostly children
Signs
Ocular larva migrans
Visceral larva migrans: major organs
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Term
| What is the vector and manifestations of loa loa? |
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Definition
Mango Flies
Sucutaneous migration(eye) |
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Term
| What is the common name, Pathogenesis and Manifestations of Schistosoma mansoni, japonicum, hematobium? |
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Definition
Blood Flukes
Path
Snail is Intermeadiate host
Cercaria penetrate skin-> Veins
Liver Maturation
TNF signals egg production
Eggs-> Granulomas/Fibrosis
Manifestations
Portal HPTN(mansoni and japonicum)
Hepatosplenomegaly
Cor pulmonale
Colorectal Polyps(mansoni)
Hematuria(hematobium eggs in bladder) |
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Term
| What is the common name, Pathogenesis and Manifestations of Tenia Saginata? |
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Definition
Tapeworm
Path
Human is definitive host
Proglottids->eggs->Cattle->Oncospheres->larvae
larvae->muscle->cysticercus->Human
*Eggs, Cysticercus and Adult survive for years
Signs: Asymtomatic |
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Term
| What is the common name, Pathogenesis and Manifestations of Tenia solium? |
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Definition
Pork Tapeworm
Path
Humans definite and intermeadiate hosts
Cysticercus occurs in humans and animals
Signs
Epilepsy, Blindness
Brain, liver, lung cysticercii
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Term
| What is the common name, Pathogenesis and Manifestations of Echincocus granulosus? |
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Definition
Small Tapeworms
Path
Dogs-> humans
Signs
Fluid filled cysts in liver and lung(hydratid cyst) |
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Term
| What is the common name, Pathogenesis and Manifestations of Diphyllobothrium lattum? |
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Definition
Fish Tapeworm
Path
Undercooked fish
Sign
B12 deficiency |
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Term
| What are the structural features of Cestodes(tapeworms)? |
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Definition
Scolex: head containing attachment apparati
Proglottids: Segments that break off to release eggs
Hermaphrodites: Male and female hardware in each proglottid |
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Term
| Which tenia worm can infect vegetarians |
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Definition
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Term
| What is the vector and manifestations of Onchocerca vulculus? |
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Definition
Black Fly
Dermititis and Blindness(river blindness) |
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Term
Which can affect the lungs?
Which can affect the Eyes?
Which can affect the liver? |
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Definition
Lungs:
Ascaris lumbricaloides(to mature larva)
Strongyloides stercoralis: larva migrate through lungs before intestine
Hookworms(larva migration)
Mansoni or Japonicum(Late stages)
Tenia solium: Cystercosis
Echincocus granulosus: Lung Cysts
Eyes:
Loa loa
Onchocerca Vulvulus
Toxocara: Ocular larva migrans
Tenia solium
Liver
Schistosomiasis
(Eggs->Granuloma->Fibrosis)
Tenia solium: Cystercosis
Echincocus granulosus(Hydratid Cysts) |
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Term
What is the Genus and Species for
Pinworm
Whipworm
Small Roundworm
Giant Roundworm
Hookworm
Pork Tapeworm
Beef Tapeworm
Filarial Worms
Guinea Worms
Fish Tapeworm
Small Tapeworm
River Blindness Worm
Liverworm
Bladderworm |
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Definition
Pinworm: Enterobius vermicularis
Whipworm: Trichurus Trichiara
Small Roundworm: Strongyloides stercoralis
Giant Roundworm: Acaris lumbricoides
Hook Worm: Nector Americansus
Ancylostoma duodenale
Pork Tapeworm: Tenia Solium
Beef Tapeworm: Tenia Saginatum
Filarial Worms: Brugia Malayi
Wuchereria Bancrofti
Guinea Worms: Drancunculus medinesis
Fish Tapeworm: Diphyllobothrium lattum
Small Tapeworm: Echincocus granulosus
River Blindness: Ochocerca volvulus
Liverworm: Schistosoma mansoni/japonicum
Bladderworm: Schistosoma haematobium |
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Term
Which worm need 2-3 weeks to mature its eggs?
Which worms can autoinfect?
Which worm is induced by TNF to produce eggs?
Which worm has a snail reservoir?
Which worm has a crustaceon reservoir?
Which worm has the most longevity?
Which requires sheet and clothing cleaning to eradicate?
Which worm has football shaped oocysts?
Which worm covers itself with host antigen to evade the immune system?
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Definition
Mature eggs: Ascaris lumbricalis
Autoinfection:
Enterobius vermicularis
Strongyliodes Stercoralis
TNF->Eggs: Schistosoma
Snail: Schistosoma
Crustaceon: Guinea worm
Longevity: Tenia staginatum
Cleaning: Enterobius vermicularis
Football Oocytes: Trichuris trichiara
Host antigen: Schistsomes |
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