Cestodes, Trematodes & Nematodes Flashcards
DOC for E. granulosus
Albendazole
DOC for all cestodes except for E. granulosus
Praziquantel
Number of uterine branches in T. solium
5-10
Number of uterine branches in T. saginata
15-25
Pruritus ani
Taenia saginata
Neurocysticercosis
Taenia solium
Infective stage of D. latum infection
Plerocercoid larvae
Causes vitamin B12 deficiency and megaloblastic anemia
D. latum
Life threatening rupture can occur with cyst rupture
Echinococcus granulosus
Honeycomb vesicles
Echinococcus multiocularis
Most common tapeworm is developed countries
Hymenolepsis nana
Polar filaments with six-hooked larva
Hymenolepsis nana
Intermediate host of Schistosoma japonicum
Oncomelania hupensis quadrasi
Diagnostic exam unique to S. japonicum
Circumoval precipitin test (ovoid egg with small hook)
Systemic hypersensitivity resembling serum sickness
Katayama fever
Areas of endemicity for S. japonicum
Sorsogon Samar Leyte Oriental Mindoro Bohol ALL of Mindanao EXCEPT MISAMIS ORIENTAL
Mountain crab host of Paragonimus westermani
Sundathelphusa philippina
Test for diagnosis of P. westermani
3% NaOH preparation
Ring-shadow opacity on chest x-Ray
P. westermani
Melon like ridges on potassium permanganate stain
Clonorchis sinensis
Organisms with transpulmonary phase (3)
Ascaris lumbricoides
Necator ancylostoma
Strongyloides stercoralis
Halzoun
Fasciola hepatica (obstructive jaundice & painful phayngitis)
Worm intoxication
Fasciolopsis buski
Mimics peptic ulcer disease
Heterophyes heterophyes
Most common and largest intestinal nematode
Ascaris lumbricoides
Hypersensitivity reaction in Ascaris lumbricoides infection
Loeffler’s syndrome
DOC Ascaris lumbricoides
Albendazole (greater larvicidal activity than mebendazole)
Type of anemia caused by Necator and Ancylostoma infection
Microcytic anemia
Chinese lantern shape
Trichuris trichuira
Barrel-shaped with bipolar plugs
Trichuris trichuira
Serpiginous tracks by Necator and Ancylostoma infection
Cutaneous larva migrans
Complication of Trichuris trichuira infection
Rectal prolapse (increased peristalsis to expel worms)
Most common soil-transmitted helminth in developed countries
Enterobius vermicularis