Parasites Flashcards by Chaedryll Jamora

Trichina worm

“Trichinosis/trichinellosis” (periorbital edema)

Trichinella spiralis

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Whipworm
(rectal prolapse)

(Lemon-shaped, football or barrel shaped)

Trichuris trichiura

“Trichuriasis”

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Capillary liver worm

“Hepatitis with eosinophilia”

Capillaria hepatica

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Giant Intestinal Roundworm
“Ascariasis” (Loeffler’s syndrome & bolus formation)
Moan test

Ascaris lumbricoides

Trilobite lips, golden brown

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Dog Ascaris/Cat Ascaris

“Visceral larva migrans (granuloma in liver)

Toxocara canis/cati

Golfball

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Capillariasis/Pudoc disease/Mystery disease

Capillaria phillipinensis

Peanut shaped & striated shells

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Ascaris of sea mammals

“Anisakiasis or Herring worm disease”

Anisakis simplex

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Pinworm or seatworm

“Enterobiasis (pruritus ani)

Enterobius vermicularis

D shaped

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New world hookworm

“Ground-itch” & microcytic, hypochromic anemia

Necator americanus

Barbed-like spicule

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Old hookworm

“Ground-itch” & microcytic,hypochromic anemia

Ancylostoma duodenale

Bristle-like spicule

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Cat hookworm

“Creeping eruption or cutaneous larva migrans” serpentine tunnels

Ancylostoma braziliense

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Dog hookworm

“Creeping eruption or cutaneous larva migrans” serpentine tunnels

Ancylostoma caninum & Ancylostoma ceylanicum

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Threadworm

Strongyloidiasis or Cochin China Diarrhea

Strongyloides stercoralis

Hyperinfection syndrome

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Guinea worm, Serpent worm, Dragon worm, Medina worm

“Dracunculosis or Dracontiasis”

Dracunculus medinensis

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Rodent/Rat Lung worm

“Eosinophilic Meningo-encephalitis or Angiostrongyliasis”

Angiostrongylus cantonensis

Barber’s pole

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Giant Leech-like Acanthocephalan

Macracanthorynchus hirudinaceus

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Bancrofti filarial worm

“Bancroftian filiariasis or filariasis bancrofti” elephantiasis above the knee

Wuchereria bancrofti

Graceful appearance

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Malayan filarial worm

“Malayan filariasis” elephantiasis below the knee & hydrocele

Brugia malayi

Kinky appearance

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African eye worm

“African Loaiasis or Calabar swelling”

Loa loa

Nuclei reaching the tip of the tail

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Onchocerciasis or river blindness or blinding filariasis
“Hanging groin”
“Snowflake/fluffy corneal opacities”

Onchocerca volvulus

Nuclei not reaching the tip of the tail

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“Shepherd’s crook”

Nuclei not reaching the tip of the tail

Mansonella spp.

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Dog heart worm

“Human pulmonary dirofilariasis” coin lesion in lungs

Dirofilaria immitis

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Swollen Belly Syndrome

Strongyloides fuelleborni

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Oriental blood fluke

“Oriental schistosomiasis”

Schistosoma japonicum

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Manson’s blood fluke | “Intestinal bilharziasis”

Schistosoma mansoni

Vesicle blood fluke/Bladder Fluke | “Urinary bilharziasis”

Schistosoma haematobium

Sheep liver fluke/ temperature liver “Shoulder appearance” largest helminth egg Ship liver rot

Fasciola hepatica

Giant liver fluke/ Tropical liver fluke

Fasciola gigantica

Chinese or Oriental Liver fluke “Old-fashion electric bulb” Pitcher-like appearance

Clonorchis sinensis “Clonorchiasis” Most important liver fluke of man

Cat liver fluke/Siberia liver fluke | “Lancet-shaped”

Opistorchis felineus

Lancet fluke/ Lanceolate

Dicrocelium dendriticum | “Dicrocelium infection”

Giant intestinal fluke (largest fluke)

Fasciolopsis buski

Garrison fluke | “Dumbell testes”

Echinosotoma ilocanum | “Echinostomiasis”

Von Siebold’s Fluke “Teardrop-shaped fluke” smallest fluke of man/deadliest fluke Old fashion light bulb

Heterophyes heterophyes

Smallest human fluke

Metagonimus yokogawai

Pancreatic fluke | “Eurytremiasis”

Eurytema pancreaticum

Oriental lung fluke “Endemic hemoptysis, TB-like symptoms” Reddish brown or coffee bean colored, uterus coiled into a rosette

Paragonimus westermani

Broad/Fish tapeworm (largest and longest) “Rosette formation / highly-coiled uterus” Almond-shaped or spatula shaped scolex Vitamin B12 deficiency - pernicious anemia - megaloblastic anemia

Diphyllobothrium latum | “Diphyllobothriasis or sparganosis”

Pork tapeworm “Dendritic/Finger-like” Cysticercosis cellulosae

Taenia solium

Beef tapeworm, Longest tapeworm of man | “Dichotomous or tree-like in appearance”

Taenia saginata

Dwarf tapeworm, smallest tapeworm and most common cestode of man

Hymenolis nana

Rat tapeworm | “Fan-like arrangement”

Hymenolepis diminuta

Dog tapeworm or Double Pore tapeworm “Only parasite with two sets of reproductive organs” Melon seeds/pumpkin seed/ rice grains/ cucumber seeds

Dipylidium caninum

Hydatid worm (Smallest and shortest tapeworm) Unilocular Echinococcosis or Cystic hydatid disease

Echinococcus granulosus

Hydatid worm “Alveolar hydatid disease” Most lethal of all helminthic diseases

Echinococcus multiocularis

Gid worm | “Cerebral or ocular coenurosis”

Multiceps multiceps

Trophozoites: Ground glass appearance cytoplasm and bead-like arrangement of nucleus. Cysts: coffin-shaped or cigar (Secondary Amebic Meningoencephalitis) Inclusion: RBCs

Entamoeba histolytica | “Only pathogenic intestinal ameba”

Sluggish motion and splinter-like chromatoidal bars “Dirty appearance cytoplasm” “Broomstick appearance chromatoidal bodies”

Entamoeba coli

Parasites of pigs and monkeys. In papua new guinea, most common intestinal ameba of humans “Threadlike chromatoidal bodies”

Entamoeba polecki

Iodine-staining glycogen vacuole. Halo nucleus | “Basket nucleus”

Iodamoeba butschlii

First parasitic ameba of humans. Only ameba that ingests WBCs

Entamoeba gingivalis

Primary amebic meningoencephalitis (kernig’s sign) | “Exhibits trailing effect” jerky and spinning motility

Naegleria fowleri

Granulomatous amebic encephalitis (GAE) | “Thorny projections, spine-like pseudopodia”

Acanthamoeba spp. | Ocular keratitis and corneal ulceration, contact lenses

Largest protozoan parasite affecting man “Thrown-ball motility/rotary boring” Kidney-shaped/large bean-shaped macronucleus, dot-like micronucleus

Balantidium coli

Pear-shaped or teardrop-shaped; heart-shaped “Falling leaf motility” Gay bowel syndrome and traveler’s diarrhea “Impression prints” “Sickle trophozoites”

Gardia lamblia | Green/yellow-green entero-test or string test

Petals of flower (one to two rosette-shaped nuclei) | Hakansson phenomenon and brownian motion

Dientamoeba fragilis “parasite of a parasite” | Attach to ascaris and enterobius

Smallest flagellate that parasitized man | “Lemon to pear shaped” “bird’s beak” “cleft like trophozoite”

Retortamonas intestinalis

Pear-shaped or ovoid; jerking motility; single nucleus

Enteromonas hominis

Shepherd’s crook; lemon-shaped/pear-shaped | “Spiral boring, jerky, rotary motility”

Chilomastix mesnili

Ping-pong disease “strawberry appearance”; chicken-like epithelium

Trichomonas vaginalis

Papule: oriental button; kala alzar / dumdum fever/ black fever “Lesh donovan bodies”

Leishmania spp.

East African sleeping sickness (more rapid and fatal)

Trypanosoma brucei rhodiense

West African sleeping sickness

Trypanosoma brucei gambiense

American trypanosomiasis or Chaga’s disease (romana’s sign)

Trypanosoma cruzi

Outbreaks linked to fresh produce (raspberries) | “Wrinkled cellophane” “bubbly appearance oocyst”

Cyclospora cayetanensis

Pink doughnut-shaped circular organisms (may also appear as purple)

Cryptosporidium spp.

Schuffner’s dot

Plasmodium vivax Benign Tertian Malaria

Zeimann’s dot

Plasmodium malaria Quartan Malaria

Jame’s dot/ schuffner’s dot

Plasmodium ovale Benign Tertian Malaria

Maurer’s dot (stephen christopher’s dots/ cuneiform dots) Crescent/ banana shaped “Black water fever”

Plasmodium falciparum Malignant tertian malaria

Simian malaria

Plasmodium knowlesi

Texas cattle fever/ Red water fever/ Tick fever/ Nantucket fever “Maltese cross”

Babesia spp. (Babesia microti, Babesia divergens)

Parasites Flashcards

(72 cards)