Taenia saginata

Introduction 

Beef Taeniasis is a parasitic infection by beef tapeworm called Taenia Saginata 

-it is prevalent in Latin America, Eastern Europe, Africa and Russia 

-Humans become infected when they eat raw or undercooked beef (“measly beef”) 

-Taenia saginata inhabits the human jejunum, grow to a maximum length of 10 m

-After ingestion, larvae attach to the gut wall and become adult worms with gravid proglottids. 

-Terminal proglottids pass in the feces and are eaten by cattle

Symptoms & Signs 

-Most persons infected with beef tapeworm are asymptomatic 

-Nausea, vomiting, headache, pruritus, abdominal pain, diarrhea, constipation and intestinal obstruction 

– In contrast to Taenia solium, cysticercosis does not occur

Diagnosis 

-Adhesive cellophane tape technique can detect eggs

-Gravid proglottids visible in stool or appear in the underclothing or bedsheets of infected patients

-Adult worm examination: Scolex has four suckers but no hooks

Treatment 

The drug of choice is praziquantel

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