Walden3 Flashcards
Hymenolepiasis
Small tape worms
Asdf
Most common tape worm?
H. Nana
Hymenolepiasis
Hymenolepiasis
Infxn route
Eggs are infective. Also from flea or beetle if consumes contaminated grains
Hymenolepiasis
Tx
Praziquantel
Dog tapeworm
Transmission
Via fleas
Dog tapeworm
Sx
Intching around anus
Hymenolepiasis
Description
Proglottids in stool look like cucumber seeds
Echinococcosis
Types
Granulosus: cystic
Multilocularis: alveolar
Echinococcus granulosus
Where is encountered?
Where dogs are used to herd sheep
Sheep-dogs-humans
Dogs eat viscera containing hydatid cysts
Humans get by eating food with dog feces
Go to liver and lungs
Echinococcus granulosus
Distribution
Middle East, New Zealand, Latin armerica
Echinococcus multilocularis
Cycle type
Canine-rodent cycle
Man gets from vegetables and fruit with eggs from feces of dog/fox
Echinococcus multilocularis
Distribution
Russia, japan, china, canada, Alaska, Minnesota
Echinococcus
Sx
Space occupying lesion
US, MRI, CT
Cyst in liver
Echinococcus
Tx
Surgery (don’t rupture cysts)
Albendazole or praziquantel
Lung fluke (paragonimiasis)
Get it from
Raw or inadequately cooked fresh water crabs and crayfish
Lung fluke (paragonimiasis)
Common custom ass with
Crustaceans pickled in vinegar (drunken crab)
Lung fluke (paragonimiasis)
Route of infxn
Penetrate intestinal wall and migrate to lungs. Turn into adults. Eggs coughed up and swallowed and passed in feces into fresh water
Then form mircidium (larva) and go into snail. Then cercariae emerge and enter crabs and cray fish
Man, snail, crab, man
Lung fluke (paragonimiasis)
Common locations
Korea, japan, Taiwan
Contaminated chopping boards!!
Lung fluke (paragonimiasis)
Sx
Cough, rust colored sputum, SOB, chest pain
Lung abscess
Seizures (if in brain)
Lung fluke (paragonimiasis)
Diagnosis
Mistakenly diagnosed as TB
Lung fluke (paragonimiasis)
Tx and prevention
Praziquantel
Avoid eating raw crab and crayfish
Clonorchiasis/opisthorchiasis
How is it acquired
Consumption of freshwater fish in raw state or undercooked, smoked, pickled, salted dried, or in chili paste fish
Clonorchiasis/opisthorchiasis
C. Sinensis location
China japan Korea Taiwan
Clonorchiasis/opisthorchiasis
Viverrini location
Thailand, Laos and Vietnam
Clonorchiasis/opisthorchiasis
Life cycle
Eat raw fish containing encrypted larvae. Migrate to bile ducts to make eggs
Man, snail, fish, man
Parasites using snail
Liver flukes, intestinal flukes, lung flukes, schistosomiasis
Clonorchiasis/opisthorchiasis
Sx
Epigastric pain, tenderness over liver, diarrhea, jaundice, cirrhosis, cholangiocarcinoma
Clonorchiasis/opisthorchiasis
Diagnosis
Tiny ovoidal eggs with convex operculum and knob at other
US
Clonorchiasis/opisthorchiasis
Tx
Praziquantel, albendazole
