6 Topics Flashcards

0
Q

bot fly is from

A

central and south america

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1
Q

Travel and tropical

A

bot fly myiasis
leishmaniasis
butanea larva migrans

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2
Q

how does bot fly transmit eggs

A

mosquitos

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3
Q

what does the nodule look like

A

tender red, 2-3 mm opening so it can breathe

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4
Q

where doe sthe bot fly nest

A

scalp, face, upper body

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5
Q

what is the lesions couse

A

enlarges–>drains–>more painful–>necrotic

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6
Q

tx bot fly

A

suffocation with lotion

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7
Q

leishmaniasis

A

parasite with a sandly vector that produces a red-violaceous ulcer

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8
Q

cutanea larva migrans

A

brazillian hookworm

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9
Q

where do you get cutanea larva migrans

A

beach, sandy soils, sandbox, children

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10
Q

classic presentation of cutanea larva

A

2-4 weeks after returnign froma beach vacation

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11
Q

how does cutanea larva migrans happen

A

hookworm eggs passed from animal eces–>larva penetrate skin

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12
Q

what does the lesion of cutanea larva migrans look like

A

red winding serpigenous tract

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13
Q

tx of cutanea larva migrans

A

cryotherapy

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14
Q

urticaria

A

hive

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15
Q

what does a urticaria look like

A

pruritic, red-pink, raised, migrating, wheal like macules and patches

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16
Q

pattern of hives

A

coalesce, migrate, reoccur–>exam often shows normal skin

17
Q

urticaria are often triggered by

A

foods, meds, other allergens

ingestatns, inhalents, injection, infection, internal disease

18
Q

how do you diagnose urticarial vasculitis

A

bx

leaves bruise-like purpura after hive lesion resolves

19
Q

PU{{{

A

3rd trimester in pregnancy

20
Q

urticaria pigmentosa

A

secondary to mast cell infiltration producing pigemnted spots that wheal on rub

21
Q

pyoderma gangrenosum

A

inflammatory skin disease that results in ulceration and necrosis

22
Q

how does pyoderma start

A

mild trauma but expands rapidly

23
Q

ptoderma has this inflam pattern

A

neutropgilic

24
what should you never do with pyoderma
bx or surgery->makes it worse!
25
tx of pyoderma
immunosuppressants
26
all people have same # of___ but different # of ___
melanocytes | melanosomes
27
pomade acne
plugging of gland by african american hair products-->open and closed comedons
28
traction alopecia
tugging on hair in special hairdos, esp frontal and temporal hairlines
29
sarcoidosis
more prom in AA | apple jelly-like nodules (waxy brown red) (can look like a kelloid)
30
main cause of skin cnacer in dark skin
squamous cell
31
mycosis fungoides
cutaneous t cell lymphoma
32
many stages of cutaneous t cell lymphoma
MF patch plaque tumor
33
when this gets in blood
sezary syndrome- systemic erythroderma
34
different kinds of drug rashes
``` urticarial morbilliform fixed erythema multiforme toxic epidemal necrolysis ```
35
urticarial
wheal like, cycling, intensely pruritic
36
morbilliform
measle-like; 2 days after taking meds (usually abx) pink-->red oval shaped macule starts on trunks-->moves to extremities
37
fixed drug eruption
round red-purple asymtomatic patch, occurs same place everytime
38
erythema multiforme
targetoid macuels on palms and soles | drug rxn!
39
toxic epiderma; necrolysis
erythoderma, full thickness epidermal necrosis and skin sloughing