Cestodes Flashcards

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0
Q

Larvae in undercooked beef
IH: cattle
Intestine
Praziquantel

Intestinal obstruction, neurocysticercosis

A

T. saginata

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1
Q

Eggs, larvae in undercooked pork
IH: pigs
Intestines
Praziquantel

A

T. Solium

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2
Q

Larvae in undercooked fish
IH: fish
Intestine
Praziquantel

B12 deficiency

A

D. latum

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3
Q

Eggs in food contaminated with dog feces
IH: sheep, man
Liver, lungs, brain
Albendazole, PAIR (puncture, aspiration, injection, reaspiration)

Smallest tapeworm
Ruptured cyst: anaphylaxis

A

E. granulosus

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4
Q

Taenia

Infective stage/ diagnostic stage

A
Cysticerci, eggs (T. solium)/
Gravid proglottids (feces)
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5
Q

D. Latium

Infective stage/ diagnostic stage

A

Pterocercoid/ unembryonated egg in the feces

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6
Q

E. granulosus

Infective stage/ diagnostic stage

A

Embryonated egg/Hyatid cysts

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7
Q

DH: Foxes
IH: rodents
Multiloculated cyst

A

Echinococcus multicularis

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8
Q

Dwarf tapeworm
Six hooked larvae
MC tapeworm in developed countries

A

Hymenolepsis nana

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9
Q

Rat tapeworm

A

Hymenolepsis dimunata

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10
Q

Tapeworm of dogs and cats

Barrel shaped proglottid

A

Dipylidium caninum

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11
Q

Whipworm
Diarrhea, rectal prolapse
Mebendazole

A

Trichuris trichiura
Ingestion of egg
IS: embryonated egg
Dx S: unembryonated egg

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12
Q

Pinworm, seatworm
MC soil transmitted helminth in developed countries/cosmopolitan worm
Pruritus ani, appendicits (oxyuriasis) , vulvovaginitis

A

Enterobius vermicularis
Ingestion of egg, inhalation of egg
IS: embryonated egg
Dx S: eggs in perianal folds (Graham’s scotch tape)

Pyrantel palmoate

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13
Q

Ground itch, larva currens, doudenitis, paradoxical asthma, hyperinfection syndrome

A

Strongyloides stercoralis
Larvae penetrate skin
IS: filariform larvae
Dx S: rhabditiform larvae (stool)–Harada Mori

Ivermectin

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14
Q

Puddock worm
Involves migratory bird
Borborygmus, protein losing enteropathy

A

Capillaria philippinensis
Undercooked fish
IS: larvae
Dx S: unembryonated egg (direct fecal smear, kato-katz : peanut shaped egg with flattened bipolar flags)

Albendazole

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15
Q

Most debilitating nematode infection
Tropical pulmonary eosinophilia (Meyers-Kouvenaar bodies)
Chyluria
Hydrocoele, elephantiasis

A
Wucheriria brancofti (hydrocoele)
Brugia malayi (elephantiasis)

Mosquito bite
IS: 3rd stage larva
Dx S: microfilariae (thick blood smear, DEC provocation test)

Diethylcarbamazine

16
Q

Nurse cell
Periorbital edema, hemorrhagic phenomena
Respiratory myositis

A

Trichinella spiralis
Undercooked pork
IS: encysted larvae
Dx S: encysted larvae (muscle biopsy)

17
Q

River blindness, hanging groin, lizard skin, dermal nodules

Mazzoti reaction

A

Onchocerca volvulus
From female blackfly (semulium)
Ivermectin

18
Q

Calabar swelling

Worm crawling across the conjunctiva

A

Loa loa

From deer fly and mango fly

19
Q

Guinea fire worm

Live worm in skin ulcer

A

Drancunculus medinensis

20
Q

Dog ascaris
Visceral larva migrans
Ocular larva migrans
Endophthalmitis

A

Toxocara canis

21
Q

Cutaneous larva migrans

A

Ancyclostoma caninum, brasiliense

22
Q

MCC of parasitic meningitis

A

Angiostrongylus cantonensis

23
Q

Eosinophilic gastroenteritis

A

Anisakis simplex