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Dipylidium caninum.pptx
- 2. • Dipylidium caninum is a tapeworm that commonly infects dogs, cats and occasionally affects humans. • The first cases of Dipylidium caninum in humans were discovered in 1903 with several cases in Europe and one in U.S • Common names : dog or cat tapeworm, double – pored – dog tapeworm, cucumber seed tapeworm, flea tapeworm. • Widespread intestinal parasite • Dipylidiasis • Intermediate host - Flea • Hosts : dogs, cats and humans. • Incubation period : approximately 20 days. • Life cycle – dumb egg playful child wise adult
- 4. • The length of tapeworm is 10 – 70 cm. • Scolex – conical shape and has four suckers. • There is a rostellum armed with several rings of hooks (15 – 30hooks). • Segments(Stroblia) – they contain two sets of male and female reproductive organs (hermaphrodite segments). • They demonstrate two genital pores that lead to their name as the “double-pored”. • Gravid segments – contains egg capsules. The number of eggs can range from 5 to 30. • The larvae of Diphylidium caninum are know as cysticercoids because the scolex is enclosed in a fluid-filled cyst at this stage.
- 6. • Human infection – rare • Asymptomatic • Infection causes abdominal pain, diarrhea and anal itch. • Diagnosis – examination of stool for characteristic segments and eggs capsule. • Treatment - Treatment for both animals and humans is simple and very effective. • A prescription drug called praziquantel is given, either orally or by injection (pets only). The medication causes the tapeworm to dissolve within the intestine.