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Derm Images > Micro > Flashcards

Micro Flashcards

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Dermatology Board Prep flashcards
1
Q
A

Erythema infectiosum (parvovirus)

Notice the slapped cheek appearance

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2
Q

What causes this type of reaction?

A

Vaccinia (pox vaccine)

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3
Q

What disease can manifest this way?

A

Lepromatous leprosy (Mycobacterium leprae)

Note the neurotrophic atrophy

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4
Q
A

Elrichia (HME)

Notice morulae in cytoplasm of monocyte

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5
Q

Organism causing the disease described here?

A

Parvocirus - Erythema contagiosum

(flu-like illness followed by rash)

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6
Q
A

Molluscum contagiosum (pox virus)

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7
Q
A

RMSF

Notice rash on PALMS

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8
Q
A

Molluscum contagiosum

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9
Q
A

Borellia burgdorferi

Bulls eye rash (erythema chronicum migrans of initial LD)

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10
Q

What organism may cause this finding?

A

B. burgdeorferi

(tertiary lyme disease can cause erosive arthritis, especially of the knee)

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11
Q
A

Aplasma phagocytophilia (HGA)

Notice morulea in cytoplasm of granulocyte

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12
Q
A

Bartonella henselae

(Lymphadenopathy in kid = think cat scratch)

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13
Q
A

Parvovirus

Notice the lacy (reticulate) red rash on limbs and trunk

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14
Q
A

Fifth disease

Notice slapped cheek appearance + lacy (reticular) red rash

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15
Q
A

Smallpox

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16
Q
A

RMSF

Notice rash on PALMS and wrist

17
Q

This shows the structure of what virus?

A

Pox virus (brick-shaped)

18
Q
A

Eczema vaccinatum from vaccinia (pox vaccine)

19
Q

What disease is transmitted by the organism on the left? Right?

A

Left = deer tick = HGA

Right = deer tick nymph = LD

20
Q

The mother of this fetus could have been infected with what org?

A

Parvo B19

(Lyses RBCs = miscarriage, fetal anemia, hydrops fetalis)

21
Q
A

HGA distribution

(Transmitted via Lone Star tick)

22
Q
A

Molluscum contagiosum (poxvirus)

23
Q

Which organism replicates this way?

A

Pox virus

(Only DNA virus that replicates in the cytoplasm; envelope formed de novo)

24
Q
A

Pox virus

25
Q
A

R. rickettsia distribution (RMSF)

OK, SC, NC, AR, MI

26
Q
A

RMSF

Notice rash on SOLES

27
Q
A

Bed bug bite

Breakfast, lunch, and dinner

28
Q

First step in management?

A

Doxycline + amoxicillin

29
Q
A

Leptospirosis

Jaundice

30
Q
A
31
Q
A

Derm Images (5 decks)

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