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7/27/2019 Fungus and Parasite
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Fungus and ParasitesWhy me?
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Systemic Fungi
Dimorphic
Mold in soil, yeast in tissue
Cold=mold; Heat=yeast
Histoplasmosis Bird or Bat droppings
Mississippi and Ohio River
Blastomycosis Mississippi River
Big, Broad-Based Budding
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HIsToplasmosis & BLASTomycosis
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Coccidiomycosis
Southwest US
San Joaquin valley fever
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Skin Fungus
Tinea all skin fungi
Tinea versicolor
Odd Color Caused by Malassezia furfur
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Skin fungus
Tinea nigra
Brown/black
Cladosporium werneckii
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Skin fungus
Others are by location:
Tinea pedisAthletes foot
Tinea cruris Jock itch
Tinea corporis Body (ringworm)
Tinea capitis - Head
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Opportunistic fungi
Candida
Normal
Thrush
Vaginitisyeast infection
Diaper rash or under breasts
Immunocompromised
Esophagitis Disseminated infection
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Opportunistic fungi
AspergillusAspirateAsthma(?)
A forAcuteAngle branching
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Opportunistic Fungi
Cryptococcus Neoformans
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Opportunistic Fungi
Mucor and Rhizopus
>90 branching mold
Ketoacidosis and leukemia
Pneumocystis carinii
Pneumonia
Cyst circle yeast (not mold)
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Opportunistic Fungi
Sporothrix schenckii
Dimorphic fungus
Rose gardeners disease
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ProtozoaHaving fun yet?
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Entamoeba Histolytica
Things to remember:
Inflammatory Diarrhea
Liveranchovy paste
Flask-shaped ulcer
Cysts
Tx with Metronidazole
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Anchovy Paste
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Giardia lamblia
From drinking untreated water (cysts)
Flatulence, foul-smelling diarrhea
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Cryptosporidium
Starts w/ Crypto, so think AIDS
Spore, so think cysts
Causes diarrhea (surprise) The 1994 Milwaukee outbreak from water
treatment problem
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Toxoplasma
Cat feces to pregnant moms
Hydrocephalus / birth defects
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Plasmodium
Malaria
Diagnosed w/ blood smear
Tx w/ mosquito (female)
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Plasmodium
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Plasmodium
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Plasmodium
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Trichimonas vaginalis
STD
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Trichimonas vaginalis
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Trypanosoma cruzi
American
Things to remember:
Chagas (heart) disease
Reduviid bug
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Trypanosoma cruzi
Chagas problems of the heart
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Reduviid - The Kissing Bug
Dont let the
kissing bug
poop on you!
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Trypanosoma gambiense
Trypanosoma rhodesiense
African (Gambia, Rhodesia)
Things to remember
Africansleeping sickness
Tsetse fly
Tutsis are inAfrica
(Rwanda)
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Leishmania
Things to remember:
Cutaneous
Visceral (kala-azar)
Sandfly
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Leishmania
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Babesia microti
Ixodes tick
Maltese cross on blood smear
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Naegleria Fowleri
Things to remember
Fowl play 95% die in a week
Meningitis
Swimming
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Naegleria Fowleri
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Metronidazole
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WormsItll be over soon
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Tapeworms
Treat tapeworms with
niclosamide
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Taenium solium
Pork tapeworm
Causes mass lesions in the brain
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Echinococcus granulosus
Hydatid tapeworms
Granulosus think of these big cysts
mostly liver and lung
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Schistosoma
Snails, Swimmers itch, Skin, Spleen
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Clonorchis sinensis
Undercooked fish
Inflamed biliary tract
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Paragonimus westermani
Lung fluke
Western man Marlboro man lung
problems
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Ancyclostoma duodenale
Hookworm
Can penetrate feet
Can cause anemiaRemember
An=not
cyclo=round Stoma=mouth
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Ascaris lumbricoides
Scariest intestinal worm
Wandering behavior
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Enterobius vermicularis
Pinworm (vermin)
Most common parasite in US
Scotch tape test
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Strongyloides stercoralis
Threadworm
Tx with Ivermectin
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Trichinella spiralis
Worm in undercooked prok
Causes muscle inflammation & periorbital
edema
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Dracunculus medinensis
In untreated water
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Loa Loa
Transmitted by deer fly
See worm crawling on conjunctiva
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Onchocerca volvulus
From blackflies
River blindness
Onco-tumor
Cerca-circle (eye)?
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Toxocara canis
From dogs
-cara rhymes with sclera
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Wuchereria bancrofti
Elephantiasis lymph blockage
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Thank you!
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