Taenia solium Taenia saginata Hymenolepis Hymenolepis Echinococcus
nana diminuta granulosus
Definition Pork tape worm Beef tape worm Dwarf Rat tapeworm Dog tape worm , or
tapeworm hydated tape worm.
Disease 1.Taeniasis 1.Taeniasis Hymenolepiasis -Echinococcosis
2.Cysticercosis -Hydated cyst.
habitat -Adult: Small intestine of -Adult: Small Adult: in small -Adult: In ileum of -Adult: In small
man intestine of man intestine of rats (occasionally intestine of doges
-Larva: As cysticercus in pigs -Larva: As human in human). -Larva: As hydated cyst
muscles or in human tissues cysticercus in beef - Larva: In insects in intermediate host
muscles. (Fleas) tissues.
Definitive Human Human Rats (human is an Carnivores
host accidental host).
Intermediate 1.Pigs Cattle No Insects ( fleas) -Herbivores.
host 2. Human is a dead end intermediate -Human is a dead end
intermediate host host intermediate host.
Diagnostic -In case of Taeniasis: -In case of Taeniasis: Eggs in stool. the hydated cyst
stage Eggs and active gravid Eggs and active
segments in stool. gravid segments in
-In case of Cysticercosis: stool.
By radiography of the calcified
larvae.
CT & MRI for
neurocysticerosis.
Infective -In Taeniasis: -In Taeniasis: Eggs Cysticercoid larvae For human: eggs of
stage encysted Larva in raw pork. encysted Larva in in insect. Echinococcus
-in Cysticercosis: Eggs. raw beef. granulosus
Mode of Taeniasis: Taeniasis: - Direct : by By ingestion of Ingestion of eggs from
infection Eating raw pork with Eating raw beef Ingestion of cysticercoid larvae soil, food or drinks
larvae. with larvae. eggs -indirect: in insect contaminated with dog
Cysticercosis: Ingestion of by ingestion of feces or from dog fur.
eggs fleas
treatment Praziquantel Niclosamide Praziquantel Praziquantel -Surgical removal of
Albendazole Niclosamide Niclosamide hydated cysts.
* combined with saline Albendazole -( Long time therapy
purge to avoid increased * Collective treatment is required with albendazole) is
release of eggs from gravid for all children of the family. found to reduce the
segments to avoid cyst growth.
cysticercosis.
- in case of Cysticercosis:
Surgical removal
prevention 1. Proper hygiene. 2.Proper 1.Proper cooking of 1. Proper 1. Rodent control 1.Keeping dogs away
cooking of pork. beef (Preservation hygiene. 2. avoid ingesting 2.Proper hygiene
3.Proper disposal of human of beef meat by 2.collective ectoparasite concerning dogs.
sewage. freezing at -10 0C for treatment
5 days.
3.Proper disposal of
human sewage
ABDULLAH ALAA
