Term
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Definition
Mississippi and Ohio River
Hides in Macrophages
History of contact with animals
AIDS-defining illness if systemic
Healthy people get pneumonia |
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Term
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Definition
Northeast US
Granulomatous systemic illness
"Broad-based budding" |
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Term
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Definition
Southwest (Arizona etc)
Spherule with endospores in tissue, no yeast form
Valley Fever: pneumonia + meningitis with systemic spread |
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Term
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Definition
Rare but severe illness
Latin America
"captain's wheel" formation in histology |
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Term
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Definition
Rose-gardeners
Thermally dimorphic, cigar-shaped
Local ulcer + lymphadenitis
Treat with potassium iodide (KI) |
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Term
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Definition
Malassezia furfur
damages melanocytes (hyper or hypopigmentation)
"Spaghetti and Meatball" on KOH prep |
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Term
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Definition
Pedis (athlete's foot)
cruris (groin)
corporis ("ringworm")
capitus (sebborhea dermatitis)
Microsporum, Trichophyton, Epidermophyton
Mold hyphae only |
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Term
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Definition
T-cells prevent local infection (Chronic Mucocutaneous candidiasis)
Neutrophils prevent hematogenous spread (Phagocyte immunodeficiencies)
Catalase +
Can cause diaper rash, endocarditis
See "germ tubes" in histology
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Term
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Definition
Hyphae branch at acute angles
Catalase + (commonly seen in NADPH oxidase deficiency aka Chronic Granulomatous Disease)
Asthmatics: allergic brochopulmonary type
Fungus balls in old cavitary lesions
Disseminated disease in immunocompromised
Associated with HCC
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Term
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Definition
Inhaled-->blood-->meninges
Causes fungal meningitis in immunocompromised patients
Hevily encapsulated yeast on histology
Soap bubble lesions in brain |
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Term
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Definition
Buds at right angles
Loves ketones/glucose: Patients in DKA
Brain abscess |
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Term
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Definition
Disk-shaped yeast on silver stain
AIDS ppx when CD4<200
Treat w dapsone, pentamidine, bactrim |
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Term
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Definition
See either trophozoite or the cyst in stool
IgA deficiency prone to mucosal infection |
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Term
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Definition
Bloody diarrhea and liver abscess
*Note, another liver asbcess is caused by the helminth "Echinococcus"
They eat RBCs
Treat w/ Flagyl or iodoquinol |
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Term
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Definition
AIDS-defining severe GI illness
Treat with nitazoxanide
Cysts on acid-fast stain |
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Term
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Definition
Brain abscess in HIV
(different than congenital infection)
Treat with sulfadiazine and pyrimethamine |
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Term
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Definition
Ameoba in water causes fatal CNS disease
hail mary = amphotericin |
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Term
Trypanosoma
brucei
gambiense
rhodesiene |
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Definition
African Sleeping Sickness after painful Tsetse fly bite
Can rearrange genome to evade host defense
Treat blood-borne: Suramin
Treat CNS: Melasoprol
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Term
Plasmodium Falciparum and Malariae |
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Definition
Falc= severe w/ irregular fever cycles
Mala= 72-hr fever cycles
Treat with chloroquine (first-line) and mefloquine (second-line)
See RBC schizont with merozoites |
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Term
Plasmodium Vivax and Ovale |
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Definition
48-hr fever cycles
Treat dormant form in liver with primaquine
See RBC schizont with merozoites |
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Term
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Definition
Ixodes tick transmits it and Lyme
Babosiosis symptoms are fever and hemolytic anemia
See ring or maltese cross on histology
Treat with quinine or clindamycin |
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Term
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Definition
Chaga's disease is cardiomyopathy + mega (colon, esophagus)
Reduviid kissing bug transmits
treat with nifurtimox |
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Term
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Definition
#2 most common parasitic illness worldwide, causes a visceral infection called
"kala-azar": cyclic fevers, HSM, pancytopenia
speckled macrophages
Treat with sodium stibogluconate
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Term
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Definition
anal pruritis, pinworm
pyrantel pamoate or -bend- |
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Term
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Definition
giant roundworm with giant eggs in feces
Treat with pyrantel pamoate or -bend- |
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Term
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Definition
ingested roundworm
Muscle inflammation and periobital edema
Treat with -bend- |
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Term
Strongyloides stercoralis |
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Definition
skin-->intestine
vomiting, diarrhea, anemia
Treat w ivermectin or -bend- |
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Term
Ancylostoma duodenale, Nectator americanus |
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Definition
Skin-->intestines
GI blood suckers
Treat w pyrantel pamoate or -bend- |
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Term
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Definition
Drinking water-->skin
treat with niridazole or prolonged extraction |
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Term
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Definition
River Blindness
Blackflies, black skin nodules, black sight
Treat with rIVERmectin |
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Term
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Definition
Worm transmitted by fly, crawls in your eye
Diethylcarbamazine |
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Term
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Definition
Mosquito
Elephantitis (lymph blockage)
Diethylcarbamazine |
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Term
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Definition
Food-->Tissues
Granulomas and "viscera larva migrans"
Diethylcarbamazine |
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Term
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Definition
Also causes a GI infection (intestinal tapeworm)
Treat w praziquantel
Treat neurocysticercosis w/ -bend- |
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Term
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Definition
Raw fish
B12 deficiency
Treat w praziquantel |
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Term
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Definition
Rapidly growing liver cyst in immigrants
*Note: other liver cyst from protozoa entamoeba hystolytica
Surgeon must inject ethanol to prevent anaphylaxis
Treat w -bend- |
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Term
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Definition
Granulomas and fibrosis of liver and spleen
S. haematobium: bladder cancer
Treat w praziquantel |
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Term
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Definition
Undercooked fish
Biliary diseases
Treat w praziquantel |
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Term
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Definition
undercooked crab
hemoptysis
Treat w praziquantel |
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Term
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Definition
Gingivostomatosis HSV1
EBV heterophile antibody test, infects B-cells but see abnormal reacting T-cell on histology, can lead to nasopharygeal cancer
CMV pneumonia in immunocompromised
Kaposi's is sexually transmitted
Tsanck smear of vesicle: intranuclear inclusions in keratinocytes and multinulceated ginat cells
Exception to rule: All envelopes are acquired from the cell membrane (it is acquired in herpes from nuclear membrane)
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Term
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Definition
Hep B virus
Enveloped
Exception to: "All DNA viruses are linear" (partial circular DNA)
Exception to "All dsDNA viruses have infectious naked genome"
has reverse transcriptase |
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Term
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Definition
Viral hemorrhagic UTI, viral pharyngitis, viral pneumonia, viral conjunctivitis
Protoypic DNA virus: dsDNA linear icosehedral nuclear-replicating virus w infectious naked genome |
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Term
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Definition
Exception to: "All DNA viruses are dsDNA" (-ssDNA)
Sickle cell crisis, other adults can get RBC aplasia and RA-like features |
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Term
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Definition
warts also from HPV 1, 2
Exception to: "All DNA viruses are linear" (circular) |
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Term
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Definition
Exception to: "All DNA viruses are linear" (circular)
JC virus invades oligodendrocytes and causes PML
BK virus in transplanted organs |
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Term
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Definition
Enveloped, large
Exception to: "All DNA viruses are icosehedral.." (it's complex), "...replicate in nucleus..." (replicates in cytoplasm).
Exception to "All dsDNA viruses have infectious naked genome"
Molluscum contagiosum and "vaccinia/cowpox/milkmaid blisters" |
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Term
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Definition
Coltivirus-colorado tick fever
Rotavius- diarrhea
Exception to: "All RNA viruses are ssRNA (its dsRNA), have envelopes (its naked) and are one piece (its segmented genome)" |
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Term
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Definition
Enteroviruses (except rhino "common cold") can cause viral meningitis (except Hep A)
Exception to "All RNA viruses have envelopes"
Polio, Hep A, Echovirus, Coxsackie, Rhinovirus |
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Term
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Definition
HepEvirus
Waterborne epidemics
High mortality in pregnant women
Exception to: "All RNA viruses have envelopes" |
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Term
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Definition
Exception to "all RNA viruses have envelopes"
Norwalk viral gastroenteritis |
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Term
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Definition
Hepatitis C virus + arboviruses
yellow fever, Dengue, West Nile, St Louis encephalitis |
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Term
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Definition
Rubella + equine enchephalitis
RNA virus |
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Term
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Definition
Exception to: "All viruses are haploid" (it has 2 copies of ssRNA)
Exception to: "All RNA viruses replicate in the cytoplasm" (it replicates in the nucleus)
HIV is exception to: "All +ssRNA viruses have icosohedral capsid" (its capsid is conical and complex)
Also HTLV T-cell lymphoma
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Term
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Definition
common cold and SARS
Exception to: "All +ssRNA viruses have icosohedral capsid" (its helical) |
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Term
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Definition
Influenza -ssRNA
Exception to: "All RNA virus have one-piece genome" (it's segmented) and replicate in the cytosol (it replicates in nucleus)
Contains neuraminidase and hemaglutinin
Vaccine: increase circulating antibodies to hemaglutinin promotes humoral immunity
Patients at risk for fatal bacterial superinfection |
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Term
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Definition
croup aka parainfluenza, RSV, measles, mumps
Contains Fusion Protein that makes respiratory epithelial cells fuse and form miltinucleated giant cells
RSV: treat w ribavirin, ppx w pavilucimab (F-protein Ig) |
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Term
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Definition
Rabies (#1 is skunk)
ssRNA virus migrate in axon retrograde and invade Purkinje cerebellar cells
long incubation period |
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Term
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Definition
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Term
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Definition
Exception to "All RNA viruses are linear (its circular) and one-piece (its segmented).
lymphocytic choriomeningitis virus
lassa fever encephalitis spread by mice |
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Term
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Definition
Hantavirus: hemorrhagic fever and pneumonia
Arboviruses: Sandfly/Rift Valley fevers, Crimean Congo hemoorhagic fever, california encephalitis
Exception to "All RNA viruses are linear (its circular) and one-piece (its segmented). |
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Term
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Definition
Hepatitis D
Exception to "All RNA viruses are linear" (its circular) |
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