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Dermatology > Creatures dermatitis > Flashcards

Creatures dermatitis Flashcards

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Dermatology Board Prep flashcards
1
Q

Megalopyge opercularis

A

puss caterpillar of the most widespread causes of caterpillar dermatitis. Contact with this creature often causes immediate pain, urticaria, and erythematous papules or purpura in a tram-track pattern

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2
Q

Chilopoda

A

centipede

nocturnal carnivores that produce painful wounds by discharging venom

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3
Q

Scolopendra

A

centipede in Hawaii

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4
Q

Cheyletiella

A

harbored by dogs and cats and cause walking dandruff

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5
Q

Acarus

A

grain mite–bakers itch

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6
Q

Allodermanyssus sanguineus

A

house mouse mite, and the vector of rickettsial pox

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7
Q

Sarcoptes scabiei var. hominis

A

ovoid flat body with 8 legs

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8
Q

Burkholderia mallei

A

gram-negative rod
Farcy or glanders
Treatment is with surgical excision of the lesion followed by streptomycin combined with tetracycline

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9
Q

Glyciphagus

A

Cheese mite–Grocers itch

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10
Q

Pyemotes

A

Straw itch mite

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11
Q

Dermanyssus

A

fowl mites which most often affect office workers, homemakers, and bird fanciers–
Equine enchephalitis

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12
Q

Ornithonyssus

A

Can give Western equine encephalomyelitis virus

fowl mites which most often affect office workers, homemakers, and bird fanciers

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13
Q

Tabanid family

A

Horsefly and Deerfly

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14
Q

genus Chrysops

A

vector for loiasis

calabar swellings near eye

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15
Q

Orf

A

Parapoxvirus

Macular–Target-Acute-Regenerate-Papillomatos-Regress

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16
Q

oculoglandular syndrome of Parinaud

A

the combination of granulomatous conjunctivitis and preauricular lymphadenopathy seen in cat-scratch disease

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17
Q

Peucetia viridans

A

Green lynx spider
southern United States. It is bright green with red spots; the legs have black spines. The bite is painful, with tenderness and pruritus.

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18
Q

Phidippus formosus

A

jumping spider –Hyaluronidase
is an aggressive spider with dark body hairs and various white patterns. They are the most common biting spiders in the United States

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19
Q

Loxosceles reclusa

A

Brown recluse
Sphingomyelinase-D
bite may be painless, however the patient may develop erythema, a vesicle, and eventual necrosis
Red, white and blue sign–hemolytic anemia, shock, gangrene, hematuria
Give ICE not heat, no surgery

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20
Q

Latrodectus mactans

A

Black widow–
Bites are acutely painful, and may swell but do not cause necrosis; the venom contains alpha lactrotoxin–chills, vomit, cramps, paralysis. Can give antivenum up to 90hrs after

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21
Q

Centruroides sculpturatus

A

and Centruroides gertschi
primary scorpion species in the U.S
pain at site with swelling, convulsions, cardiopulm sequelae

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22
Q

Dermacentor variabilis

A

RMSF

Tularemia

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23
Q

Ixodes

A

Babesiosis, ehrlichiosis, Lyme disease, and tick paralysis (more dermacentors)
I. pacificus in California, I. ricinus in Europe, and I. scapularis in the eastern US

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24
Q

Tegenaria agrestis

A

Hobo spider
leading cause of necrotic arachnidism in the Pacific Northwest
Herringbone pattern
Severe headache, visual disturbance

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25
Q

Lycosidea

A

3 genera: Lycosa, Pardosa, Arctosa
Wolf spider
Histamine
painful bites that may lead to lymphangitis or an eschar

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26
Q

Flying squirrels

A

carriers of many infections including Toxoplasma gondii, Staphylococcus, and Rickettsia prowazekki, the latter of which causes epidemic typhys

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27
Q

African hedgehog

A

Trichophyton mentagrophytes and Salmonella

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28
Q

European hedgehog

A

M. marinum or MAI

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29
Q

Iguana

A

Serratia marcescens, herpes, salmonella

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30
Q

Chinchilla

A

T. mentagrophytes, and M. gypseum Kleb pna, and pseudomonas

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31
Q

Tyrophagus

A

grocery mite

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32
Q

Cockatoos and pigeons

A

Cryptococcus neoformans

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33
Q

Leishmania donovani

A

Phlebotomid sandfly
Visceral leish
Most in India

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34
Q

Callitroga americana

A 
#1 myiasis in US
Dermatobia hominis--pyogenic furuncle not better with abc
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35
Q

Glossinia

A

tse-tse fly
sleeping sickness
West Africa

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36
Q

Attagenus megatoma

A

Carpet beetle–ACD

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37
Q

Anopheles

A

malaria

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38
Q

Babesiosis

A

Babesia microti. It is transmitted by the larvae of Ixodes dammini. This disease is endemic in eastern Long Island, Martha’s Vineyard, and Nantucket, and carries an increased risk in those with T-cell depression or after splenectomy. The condition is associated with fever, drenching sweats, myalgias, and hemolytic anemia.

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39
Q

Peliosis hepatitis

A 
Bacillary angiomatosis
Bartonella henselae (grm neg rod)
40
Q

Brucelliosis

A

Malta fever–flu like illness. skin violaceous papulonodule
raw goat milk
Grm neg rod
Doxy or rifampin

41
Q

Burkholderia pseudomallei

A

Whitmore disease

melliodosis–pulm dz and septicemia

42
Q

Cutaneous larva migrans

A

Ancylostoma braziliensis or A. canium from walking on beach,
Ivermectin or thiobendazole

43
Q

Aedes

A

Yellow fever and Dengue fever

44
Q

blackfly genus: Simulium

A

Onchocerca volvulus and can give tularemia

reiver blindness, which is the world’s second leading cause of blindness

45
Q

Solenopsin D

A

From Solenopsis, fire ant

a hemolytic factor, a piperidine derative and leads to histamine release

46
Q

phospholipase A

A

honeybee

Hymnoptera

47
Q

Crotalidae

A

rattlesnake and copperhead

48
Q

Elapidae

A

coral snake (has laps/bands)

49
Q

Hidippus

A

Jumping spider (Phidippus formosus)
Most common biting spider
Hyaluronidase

50
Q

Chiracanthium

A

Sac Spider

Lipase

51
Q

Theraphosidae

A

Terantula–urticating hairs, ophthalmia nodosa

52
Q

Megalopyge opercularis

A

puss caterpillar-immediate pain

53
Q

Blackfly

A

Vector for tularemia and onchocerciasis

54
Q

Diplopoda

A

Millipedes
Harmless vegetarians
Toxic substance can cause burn or itch when scared though

55
Q

Argasidae

A

Soft tick

56
Q

Ixodidae

A

Hard tick

57
Q

Southern Tick-Associated Rash Illness

A

Amblyomma americanum, lone star tick

Borrelia lonestari

58
Q

Monocytic ehrlichiosis

A

E. chaffeensis–monomuclear

Rhipicephalus sanguineus

59
Q

Granulocytic ehrlichiosis

A

I. scapularisE. phagocytophila, E. equi–periph PMNs

60
Q

Relapsing fever

A

Ornithodoros moubata tick

Borrelia duttonii, B. hermsii, B. turicatae

61
Q

Tularemia

A

D. andersoni and variablis

Francisella tularensis

62
Q

Trombicula

A

chigger; scrub typhus

63
Q

O. bacoti

A

vector for murine typhus

64
Q

Sea Cucumber

A

holothurin–conjunctivitis

65
Q

Seabathers eruption

A 
Linuche unguiculata (thimble jelly fish)
Edwardsiella lineate (sea anemone)
Caribbean to Bermuda
66
Q

Anthraline

A

Goa powder–Vouacopoua araroba tree

67
Q

Antimalarial

A

from Cinchona officinalis in Lojan rainforest

68
Q

Cantharidin

A

Lytta vesicatoria (Spanish fly)–blister beetle

69
Q

Pyrethin

A

from Chrysanthemum flower of Compositae family

70
Q

Eutrombicula alfreddugesi

A

Chigger

Vector of scrub typhus (R. tsutsugamushi)

71
Q

Rickettsia tsutsugamushi

A

scrub typhus

72
Q

Milker’s Nodule

A

Paravaccinia virus–Parapox

73
Q

Butchers Wart

A

HPV 2 and 7

74
Q

Erysipeloid

A

Gram + rod, treat with PCN or erythromycin

Bluish erythema usually on fish handler hands

75
Q

Anthrax

A

Gram + rod, Rx: Cipro, doxy, or penicillin
culture with dacron or rayon swab, not cotton
Painless vesicle to eschar

76
Q

Cat-Scratch Disease

A

Bartonella hensalae

Gram neg rod, some from Afipia felis

77
Q

Glanders/Farcy

A

Pseudomonas mallei (grm neg rod)
Glanders can cause nasal ulceration/perfor.
Excise, give streptomycin + TCN

78
Q

Cat Bite

A

Pasturella multocida–Augmentin

79
Q

Human bite

A

Eikenella corrodens–Augmentin

80
Q

Dog bite

A

Pasturella canis–Augmentin

81
Q

Lepidoptera

A

Caterpillar

82
Q

Hymenoptera

A

Honeybee, wasp, hornet, ants

83
Q

tabandae family

A

horsefly, deerfly, cleg, breezefly, mango fly

Transmit loiasis and tularemia

84
Q

Attagenus megatoma

A

Carpet beetle–ACD

85
Q

Anthrenus scrophulariae

A

Carpet beetle–ACD

86
Q

Pediculus capitis

A

Head lice
Malathion 0.5%.
6 legs and long body

87
Q

STARI

A

Amblyomma americanum - Borrelia lonestari

88
Q

Babesiosis

A

B. microti–NE

Ixodes scapularis. Decreased T cells if no spleen

89
Q

Dermatophagoides

A

Dust mite–allergic reactions

90
Q

Cnidarians

A

Jellyfish, manowar, coral, hydroids

91
Q

Scyphozoan

A

Jellyfish

92
Q

Chironex fleckeri

A

box jellyfish–lead to shock

93
Q

Hydrozoa

A

Man O war, south atlantic, can get hemorrhagic lesions

94
Q

Laelaps, Androlaelaps, Eulaelaps

A

Rodent mites

95
Q

Pyemotes ventricosus

A

Straw itch mite

Dermatology (20 decks)

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