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Pathology > Dermatopathology > Flashcards

Dermatopathology Flashcards

1
Q

Macule

A

flat lesion < 1 cm

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2
Q

Patch

A

macule > 1 cm

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3
Q

Papule

A

elevated solid skin lesion < 1 cm

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4
Q

Plaque

A

papule > 1 cm

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5
Q

Vesicle

A

small fluid filled blister < 1 cm

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6
Q

Bulla

A

large fluid filled blister > 1 cm

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7
Q

Pustule

A

vesicle containing pus

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8
Q

Wheal

A

transient smooth papule or plaque

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9
Q

Scale

A

flaking off of stratum corneum

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10
Q

Crust

A

dry exudate

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11
Q

Molluscum contagiosum

A

viral
normally asymptomatic
umbilicated papules- pearly/ waxy w/ sunken centers; in clusters

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12
Q

People most likely to have molluscum contagiosum

A

children
sexually active
worse effects in immunosuppressed- unilateral conjunctivitis

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13
Q

Signs that molluscum contagiosum is healing

A

erythema- redness around lesion site

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14
Q

Clearance time for molluscum contagiosum

A

6 months

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15
Q

HPV

A

everywhere; subclinical
warts
produce carcinoma

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16
Q

Types of cancer caused by HPV

A

carcinoma in situ (CIS)

squamous cell carcinoma

17
Q

Verruca vulgaris

A

very common- kids
resolve spontaneously
skin to skin transmission
epidermis

18
Q

Clinical presentation of Verruca vulgaris

A

black dots

lots of keratin

19
Q

Types of HPV causing conjunctival papilloma

A

6 and 11

20
Q

Most likely place for conjunctival papilloma

A

palpebral conjunctiva

21
Q

Herpes Simplex Virus

A

grouped vesicles w/ erythematous base
most have no symptoms
lies in peripheral sensory nerves

22
Q

HSV-1 Location

A

above neck

23
Q

HSV-2 Location

A

below waist

24
Q

HSV Recurrence

A

can impact any region that is innervated by infected nerve, not just at site of infection

25
Q

HSV Signs/ Symptoms

A

tingling, pain, burning, itching
red papules
fragile vesicles that rupture

26
Q

Most common sites of primary infection of HSV

A

mouth, anogenitalia, hands

27
Q

HSV Ocular

A

dendritic keratitis

28
Q

Treating HSV

A

oral antivirals

29
Q

Initial infection of Varicella Zoster Virus

A

children

airborne and direct contact

30
Q

Urticaria

A

hives/ wheals

develop/ fade within hours

31
Q

Causing Urticaria

A

localized mast cell degranulation causes decreased dermal microvascular permeability which causes wheals

32
Q

Eczema

A

red, oozing, crusted lesions that develop into raised, scaling plaques

33
Q

Example of Allergic Contact Dermatitis

A

poison ivy

34
Q

Urushiol

A

Ag responsible for poison ivy reaction

35
Q

Phytodermatitis

A

caused by furocoumarin chemicals in plants and exposure to UV A

36
Q

Difference b/t eczema and hives

A

E- epidermis, more likely to rupture

H- dermis, less likely to rupture

Pathology (22 decks)

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