Hellminths Flashcards
Acute phase of schistosomoasis?
Katayama fever - due to schistosomes
How is elephantiasis acquired?
Mosquitos
Trichuris dysentery syndrome
Whipworm
Anemia, rectal prolapse, finger clubbing
Mansonella streptocerca, loa loa (African eye worm), onchocerca (river blindness), Guinea worm
Filiaris subcutaneous (blood and tissue)
Mansonella streptocerca
Subcutaneous filiaris
Chronic phase of schistosomoasis?
Snail fever - due to fibrosis and egg deposition
Worms may come out of the nose or anus
Ascarius
Heavy infestation of this intestinal nematode causes anemia
Hookworm
First manifestation is ground itch
Hookworm
Maculopapular or vesicular pruritic dermatitis
Finger clubbing, growth stunting
Whipworm
Produces mass amounts of eggs
Ascarius
Onchocerca
River blindness (subcutaneous filiaris)
Both male and female in the body
Ascarius
Most common nematode
Pinworm
Perianal skin
Pinworms
Trichuriasis vs. Tricharis dysentric syndrome
trichuriasis: mild, asymptomatic if non-dysenteric, blood loss in stool if dysenteric
Tricharis dysentric syndrome: anemia, blood loss in stool, rectal prolapse, growth stunting, finger clubbing
Soil transmitted nematodes
Acarius
Hookworm
Whipworm
Hyperinfection symptom
Threadworm