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Step 2 Study > Derm > Flashcards

Derm Flashcards

1
Q

greater with pale skin

sun-exposed areas

A

Cutaneous Malignancies
Dx: biopsy
Tx: surgical removal

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2
Q

Flexor surfaces

Asthma, allergic rhinitis,

A

Atopic Dermatitis (Eczema)

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3
Q

Silvery, scaly plaques

A

Psoriasis

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4
Q

Herald patch spares palms and soles

looks like secondary syphilis

A

Pityriasis Rosea

Tx: UV light or steroids

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5
Q

Dandruff

Tx: steroids and antifungal agents

A

Seborrheic dermatitis

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6
Q

Pemphigus Vulgaris

Bullous Pemphigoid

A

Blistering Diseases

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7
Q

ABCDE

A

Malignant Melanoma

Diameter of >6 mm

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8
Q

Tx Malignant Melanoma

A

Full thickness biopsy

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9
Q

Pt. who had organ transplant and looks like a ulcer

A

Tx: biopsy and remove

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10
Q

Waxy, shiny like a pearl

A

Basal cell carcinoma

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11
Q

Tx for Basal cell Carcinoma

A

Mohs microsurgery

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12
Q

Most common skin cancer

A

Basal cell carcinoma

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13
Q

Reddish/purple spots

A

Kaposi sarcoma

Mediterranean and HIV

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14
Q

Virus with Kaposi sarcoma

A

HHV8

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15
Q

Kaposi Tx

A

treat the AIDS
Kaposi will resolve as CD4 increases
Vincristine or interferon
chemo if all else fails: liposomal doxorubicin

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16
Q

can progress to squamous cell carcinoma

A

Actinic keratoses

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17
Q

Tx for Actinic Keratosis

A

Curettage, cryotherapy, laser, topical 5-fluorouracil, imiquimod

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18
Q

Molluscum contagiosum Tx

A

Imiquimod

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19
Q

Stuck on appearance

liver spots

A

seborrheic keratoses

20
Q

Seborrheic Keratoses Tx

A

cryotherapy
surgery
laser
removal is only for cosmetic reason

21
Q

Eczema Tx

A 
Topical corticosteroids
Tacrolimus and pimecrolimus
Antihistamines
Antibiotics
UV light
22
Q

Tx Psoriasis

Local

A

Topical high potency steroids
Vitamin A and D
Coal Tar
Pimecrolimus and tacrolimus

23
Q

Tx Psoriasis

Extensive

A

UV Light
TNF inhibitors
Methotrexate

24
Q

Drugs that induce Pemphigus vulgaris

A

ACE I
Penicillamine
Phenobarbital
Penicillin

25
Q

Biopsy shows autoantibodies on IF studies

A

Pemphigus vulgaris

26
Q

Pemphigus Vulgaris Tx

A

Steroids
Azathioprine or mycophenolate
Rituximab or IVIG

27
Q

Bullous pempigoid Tx

A

Prednisone
use azathioprine, cyclophosphamide, or mycophenolate to decrease steroid uses
Mild disease uses erythromycin, dapsone, nicotrinamide

28
Q

Hx of those with Porphyria Cutanea Tarda

A 
Liver disease
Hepatitis C
Alcoholism
Estrogen use
Iron overload
29
Q

Porphyria Cutanea Tarda

Test

A

Increased uroporphyrins on 24 h urine

Def. of Uroporphyrin decaroxylase activity

30
Q

Impetigo
Staph
look?

A

superficial bacterial skin infections

31
Q

Tx Impetigo

A

Mild: Muciprocin, bacitracin, retapamulin
Severe: dicloxacillin or cephalosporin
MRSA: doxycyclin, clindamycin, TMP/SMX

32
Q

Erysipelas
Strep
Look?

A

Bright, red, hot swollen
Lesion on face
Leukocytosis

33
Q

Erysipelas/Cellulitis

Tx

A

Mild: oral: Dicloxacillin, cephalexin, cefadroxyl

Penicillin allergy: erythromycin, clarithromycin, clindamycin

Severe IV: oxacillin, nafcillin, cefazolin

Penicillin allergy: clindamycin, vancomycin

MRSA:Vancomycin, linezolid, daptomycin, tigecycline, cetaroline

34
Q

Folliculitis/Furuncle/Carbuncle

Tx

A

Ox/Clox/Diclox/Naf

35
Q

Penicillin Allergy mild rash

Tx with?

A

cephalosporin

36
Q

Penicillin allergy
anaphylaxis
mild infection Tx with?

A

Macrolide, clindamycin, doxycycline, TMP/SMZ

37
Q

Penicillin allergy anaphylaxis

severe infection Tx with?

A

vancomycin, linezolid, daptomycin, or tigecycline

38
Q

Fungal infection topical antifungal

tx?

A

Clotrimazole, ketoconazole, econazole, miconazole, nystatin, ciclopirox

39
Q

Fungal infection of hair and nails tx?

A

Terbinafine

itraconazole

40
Q

Drugs that cause hypersensitivity reactions

A 
Penicillin
Sulfa drugs (thiazide, furosemide, sulfonylureas)
Allopurinol
Phenytoin
Lamotrigine
NSAID
41
Q

drugs that cause hypersensitivity reactions also cause?

A

hemolysis
interstitial nephritis
thrombocytopenia

42
Q

Morbiliform Rash

A

no mucous membrane involvement

No treatment

43
Q

Erythema Multiforme

A

“target” lesions
mucous membrane not involved
from herpes or mycoplasma
tx: steroids might help

44
Q

Stevens-Johnson Syndrome

Toxic Epidermal Necrolysis

45
Q

Staphylococcal Scalded skin syndrome

Toxic Shock Syndrome

A

TSS multiorgan involvement: hypotension, renal dysfunction, liver dysfunction, CNS involvement

46
Q

SSSS and TSS

Tx?

A

Antistaph meds
oxacillin or nafcillin effective
cefazolin essentially equal

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