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DSE > Derm, part 2 > Flashcards

Derm, part 2 Flashcards

1
Q

Hx/PE of lipomas

A

Soft, mobile subcutaneous mass with well-defined border

Often multiple, growing/spreading

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2
Q

Lab and workup of lipomas

A

Bx

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3
Q

DDx of lipomas

A

Sebaceous cyst-raised subdermal nodule usually with central opening +/- erythema and induration
Dermatofibroma- dermal nodule often result of previous trauma
Abscess
Subcutaneous tumor

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4
Q

Health maintenance of lipomas

A

None

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5
Q

Tx/meds of lipomas

A

Watchful waiting

Excision

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6
Q

Hx/PE of lice/scabies

A

Family members with similar sx
Itching worse at night
Burrows between web spaces

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7
Q

Lab and workup of lice/scabies

A

Adhesive tape test
No KOH, disrupts mites
Comb through hair looking for eggs

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8
Q

DDx of lice/scabies

A

Viral exanthem
Eczema
Drug reaction

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9
Q

Health maintenance of lice/scabies

A

Avoid contact (pets)

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10
Q

Tx/meds for lice/scabies

A

Permethrin
-Can return to school/work in 24 hrs
Antihistamine for itching

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11
Q

Hx/PE findings of spider bites vs. MRSA

A

Usually tells the story, i.e., bite vs hx similar
Induration: hardened surrounding tissue
Fluctuance: soft surrounding tissue
+/- fever, LAD, fatigue, myalgia, N/V

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12
Q

Lab and workup of spider bites vs. MRSA

A

Culture and sensitivity

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13
Q

DDx of spider bite vs. MRSA

A

Pyogenic granuloma
Black widow vs brown recluse
Abscess (non MRSA)

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14
Q

Health maintenance of spider bite vs MRSA

A

Hibaclens for MRSA

Hygiene

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15
Q

Tx/meds of spider bite vs MRSA

A 
Antihistamine
Antivenin
Pain management
I and D- therapeutic
-Mark margins for monitoring tx
Abx
Sulfa or doxycycline
Steroids
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16
Q

Hx/PE of skin cancer

A

SCC- scaley erythematous plaque
BCC- pearly flesh colored papule, telangiectasia
Sun exposure, chemical exposure, chemo/transplant

17
Q

Lab and workup of skin cancer

A

Bx

18
Q

DDx of skin cancer

A

Actinic keratosis

Keratocanthoma

19
Q

Health maintenance of skin cancer

A

Protective clothing, sunscreen

Prevention

20
Q

Tx/meds for skin cancer

A

Liquid nitro- superficial
Excision and bx
MOHS

21
Q

F/u for skin cancer

A

Every 6-12 mos full skin exam

22
Q

Hx/PE of paronychia

A

Nail biting, acrylics, trauma

Pain, erythema, pus drainage around nailbed

23
Q

Lab and diagnostic workup for paronychia

A

Gram stain
Culture/sensitivity
KOH
Tzanck smear

24
Q

DDx of paronychia

A

Herpetic whitlow

Felon

25
Q

Health maintenance for paronychia

A

Hygiene

26
Q

Tx/meds for paronychia

A

Warm soak
Abx-moderate to severe
Augmentin, cephalexin, clindamycin
I and D

27
Q

Hx/PE of onychomycosis

A

Manicure/pedicure, trauma, infections

Thickening, discoloration, cracking

28
Q

Lab and workup for onychomycosis

A

KOH

Nail bx

29
Q

DDx of onychomycosis

A

Psoriasis

Onycholysis (trauma)

30
Q

Health maintenance of onychomycosis

A

Hygiene (bare feet)

Avoid pedicure/manicure

31
Q

Tx/meds for onychomycosis

A

Topical antifungal
Systemic antifungal
Nail removal

32
Q

Hx/PE of tinea

A 
Family with similar, pet, travel
Sweating/moisture
Erythematous annular lesion with raised borders
Caitus, corporis, pedis, crus
-Versicolor-hypopigmentation
33
Q

Lab and workup of tinea

A

KOH

Bx

34
Q

DDx of tinea

A

Atopic dermatitis
Candidiasis
Granuloma annulare

35
Q

Health maintenance for tinea

A

Hygiene
Avoid contact
Loose fitting clothing

36
Q

Tx/meds for tinea

A

Topical antifungal- clotrimazole, ketoconazole

Systemic antifungal- if widespread or resistant

DSE (14 decks)

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