Derm Flashcards
Ezcematous Eruptions x3
Dermatitis = Atopic, Contact, Nummular, Seborrheic
Dyshidrosis
Lichen Simplex chronicus
Name x 2
- Etiology
- Sxs
- Tx

- Atopic dermatitis (Eczema) = Chronic type I
- E: IgE hypersensitivity rxn
- Sx: Pruritic (Itchy), xerosis (dry skin), rash on flexural surfaces
- Tx: Antihist, hydration, emollients, UVB, phototherapy, top steroids
- Contact dermatitis = Type IV
- Sx: Itching, burning
- Tx: Burow’s soln, top steroids
Name
- E
- PE
- Tx

Nummular dermatitis
- E: Inflam d/o in winter
- Sx: Itchy small grouped vesicles that form plaques, crusting, excoriations
- Tx: Moisurizers or top steroids
Name
- E
- Sx
- Tx

- Seborrheic dermatitis
- Sx: Greasy, yellowish scaly macules/papules on scalp, ears, nasolabial fold
- E: Malassezia furfur, active sebaceous gland
- Tx: UV, Ketoconazole shampoo, Hydrocort cream
Name
- E
- Sx
- Tx

Dyshidrosis
- Eruptions post stress, hot, humid weather
- PE: pruritic, clear small vesicles in clusters (tapioca pudding like)
- Tx: Burow’s soln, top steroids, PUVA
Name
- E
- Sx
- Tx

Lichen simplex chronicus
- E: Chronic scratching from atopic dermatitis
- Sx: Itching, plaques on neck, scalp, ankles, forearms, genitals
- Tx: Top steroids, antihist
Papulosquamous Diseases x4
- Drug eruption
- Lichen planus
- Pityriasis rosea
- Psoriasis
Name

Lichen Planus

Name
- E
- PE
- Tx

Psoriasis
- E: immune system problem. Triggers include infections, stress, and cold.
- PE: Raised red-pink papules & palques, silvery scales, Auspitz sign (easy bleeding), Koebnar phenom (scratching leads to more lesions)
- Tx: Top steroids, coal tar, salicylic acid, top VitD, PUVA>UVB, Tazarotene gel, Methotrexate
Name
- E
- PE
- Tx

Pityriasis rosea
- E: maybe due to virus
- PE: Herald patch, salmon, x-mas tree
- Tx: Emollients, PO antihist (Benadryl) for itching, +/- antiviral

Verrucous lesions x 2
- Seborrheic keratosis
- Actinic Keratosis
Name
- E
- PE
- Tx
Seborrheic keratosis
- E: Benign plaques
- PE: Brown/black “stuck on,” warty surface, >50yo
- Tx: Nothing, excise, cryo

Name
- E
- PE
- Tx
Bullous pemphigoid
- E: Autoimm d/o
- PE: Bullae of large, tense, round, fluid-filled in axilla, thigh, groin
- Tx: PO Prednisone, Azathioprine (immsupp)
Keratosis

Neoplasms x 4
- Basal cell carcinoma (BCC)
- Kaposi sarcoma
- Melanoma
- Squamous cell carcinoma (SCC)

Name
- E
- PE
- Tx

BCC - MC skin CA (sun)
- PE: Slow growing, translucent pap/nod w depressed center & rolling edges, hx of scabbing or bleeding
- Tx: Excision, 5-FU, Electrodessication & curettage, Mohs
Name
- E
- PE
- Tx

SCC - 2nd MC skin CA that grows more quickly/aggressive than BCC
- PE: Firm, red, crustier
- Early: Bowen’s dz (CIS) or Keratoancanthoma
- Tx: Excision, Mohs
Name
- E
- PE
- Tx

Melanoma - Most deadly skin CA
- 4 subtypes: Superficial spreading > Lentigo maligna, acral lentiginous, nodular
- PE: Growth or change in a mole, ABCDE
- Tx: Excision w margins

Desquamation x3
- Erythema multiforme
- Steven-Johnson syndrome
- Toxic epidermal necrolysis
Name
- E
- PE
- Tx

Erythema multiforme
- E: Drugs (Sulfonamides, Phenytoin, PCN, Allopurinol), infx (herpes)
- Sx: Painful mucosal lesion, fever, weakness
- PE: Bullseye, macules/papules w vesicles/bullae, mucous membrane (major)
- Tx: PO steroids
Name
- E
- PE
- Tx

SJS (Steven-Johnson Syndrome) /TEN (Toxic Epidermal Necrolysis)
- E: Drug rxn (Sulfa, Tetra, Cephs, FQ, Phenytoin, Carbamazepine, steroids, Phenobarb, Allopurinol)
- Sx: Fever, ST, PO lesions (90%), red/necrotic skin
- Tx: Supportive care, IVF, IVIG
Front = SJS/ Back = TEN

Vesticular Bullae
Bullous pemphigoid
Name
- E
- PE
- Tx

Bullous pemphigoid
- E: Autoimm d/o
- PE: Bullae of large, tense, round, fluid-filled in axilla, thigh, groin
- Tx: PO Prednisone, Azathioprine (immsupp)
Acneiform lesions x 2
- Acne vulgaris
- Rosacea
Name
- E
- PE
- Tx

Rosacea
- E: Flushing & telangiectasias in response to heat, EtOH, spicy foods
- PE: F 30-50yo w small papulopustules on face
- Tx: Dec triggers, Top Metro or Azelaic acid, PO Tetracycline or Isotretinoin (sev)

Name
- E
- PE
- Tx

Acne vulgaris
- E: Plugged follicles, comedones
- Tx: Top Retinoids, Salicylic acid, BPO, Erythromycin, PO abx (Minocycline, Doxy, Tetra), Isotretinoin (dry eyes, mood swings, preg cat X, inc lipids & LFTs)

Bacterial Infections x4
Cellulitis Erysipelas Impetigo Folliculitis
Name x 3
- E
- PE
- Tx

Folliculitis
- E: S.aureus, Pseudo in hot tubs
- PE: Erythematous papules or pustules
- Tx: Gentle cleaning, top Clindamycin, Erythromycin, Mupirocin (MRSA)
Furuncles & Carbuncles
- “One furry uncle & lots” (deep follicular infx)
- Furuncle (acute, deep-seated, red, hot tender nodule/abscess that evolved from folliculitis)
- Carbuncle (deeper infection composed of interconnecting abscess usually several contiguous hair follicles)
- E: S.aureus
- PE: Boils, red, hard, hair-bearing areas
- Tx: Warm/moist comp, I&D (w/ head), PO abx
Abscess
- Acute or chronic localized infection c tissue destruction
- PE: Circumscribed collection of pus
- Abx: PO Cephalosporin, Erythromycin
Name

Cellulitis
Name
- E
- PE
- Tx

Erysipelas
E: Strep or Staph
PE: Painful macular rash w defined margins on face “fiery red”
Tx: PO PCN, Amox, Eryth, Clinda
Name
- E
- PE
Tx

Impetigo
E: Strep or Staph via direct contact
PE: Thick, yellow-golden honey colored crusted lesions
Tx: Mupirocin ont
Viral Diseases x 6
Condyloma acuminatum Exanthems Herpes simplex Molluscum cantagiosum Varicella-zoster Cerrucae
Name
- E
- PE
- Tx

Condyloma acuminate “genital warts”
- E: HPV 6, 11; risk for cervical dysplasia (takes 7y)
- Tx: Salicylic acid, cryo, Imiquimod, top Podophyllin, HPV vax

Name
- E
- PE
- Tx

Verruace “Warts”
- E: HPV 2, 4
- PE: Raised, rough surface lesions on hands & feet
- Tx: Spon remission, cryo, salicylic acid, top Podophyllin, Imiquimod

Name
- E
- PE
- Tx

HSV
- E: Remains latent in dorsal root ganglia (fever, stress, trauma)
- Type I: Cold sores
- Type II: Genital lesions (contact)
- Tx: Acyclovir, Valacyclovir

Name
- Sx
- Tx

Herpes-Zoster/Shingles
- Sx: Painful vesicles in dermatomal pattern
- Tx: Antiviral (48-72h), Gabapentin, top Lidocaine, Amitriptyline, narcs

Name
- E
- PE
- Tx

Varicella-Zoster/Chicken pox
- E: Type of herpes virus
- PE: Kids, Amish, vesicles “dewdrops on a rose petal,” pustules that crust over
- Tx: Sx, antivirals, vax

Name
- E
- PE
- Tx

Molluscum contagiosum
- E: Poxvirus via contact (kids, groin rubbing)
- PE: Flesh-colored, waxy, dome-shaped, umbilicated papules
- Tx: Self-limited, curettage, cryo, Imiquimod
Fungal Infections x 2
Candidiasis Dermatophyte infections
Name
- E
- PE
- Tx

Verruace “Warts”
- E: HPV 2, 4
- PE: Raised, rough surface lesions on hands & feet
- Tx: Spon remission, cryo, salicylic acid, top Podophyllin, Imiquimod

Insects/Parasites x3
- Lice
- Scabies
- Spider bites
Name
- E
- PE
- Tx

Scabies
- E: Sarcoptes scabei (mite)
- PE: Pruritic burrows, vesicles, nodules in web spaces of hands, feet, groin, excoriation, crusting
- Dx: Eggs on scraping
- Tx: Permethrin, Ivermectin, Lindane

Name
- E
- PE
- Tx

Spider bites
- Brown recluse: Pain after 3h w sx 4h, infarct of skin, blood coag
- PE: Sinking macule, grayish w halo of inflam
- Tx: Wound cleaning, analegsia

Name
- E
- PE
- Tx

Lice/Pediculosis
- E: Pediculus via contact
- PE: Pruritus, excoriations, nits
- Tx: Top Permethrin, Pyrethrin, Malathion, Ivermectin, Spinosad, Lindane
Hair + Nails x 3
- Alopecia
- Onychomycosis
- Paronychia
Name
- E
- PE
- Tx

Paronychia
- Inflam of nail fold from dishwashers
- Sx: Red, swelling, throbbing pain
- Tx: Warm soaks, I&D, abx (Cephalexin, Bactrim)
Name
- E
- PE
- Tx

Alopecia areata
- Chronic imm-mediated d/o (OC, AC)
- Assoc: Thyroiditis, pernicious anemia, Addison’s dz
- Tx: Top steroids > Minoxidil, Anthralin (psoriasis)
Name
- E
- PE
- Tx

Androgenetic alopecia
- Male pattern baldness
- Tx: Minoxidil, Finasteride, laser light therapy, surgery
Name
- E
- PE
- Tx

Hidradenitis suppurativa
- RF: Obesity, acne
- Sx: Chronic skin condition, Inflam nodule (pea size) in aporcine gland area (armpit) not related to follicles
- Tx: Intralesional Triamcinolone, I&D, PO abx/steroids

Name
- E
- PE
- Tx

Dermatophytosis
- Fungal infx - a group of fungi that invade and grow in dead keratin.
- E: TEM (Trichophyton MC, Epidermophyton, Microsporum)
- PE: Rash (red patch w fine scales)
- Lab: +KOH
- Tx: Antifungal cream bid x4w, PO antifung, NO STEROIDS

Name
- E
- PE
- Tx

Tinea versicolor
- E: Malassezia furfur (yeast)
- PE: Hypo/hyper pigmented macules that don’t tan
- Dx: +KOH
- Tx: Selenium sulfide shampoo > PO Ketoconazole

Name
- E
- PE
- Tx

Acanthosis nigricans
- Hyperpig d/o
- RF: Obesity, endocrine d/o
- PE: Skin darkens & appears dirty, thick, velvety
- Tx: None

Name
- E
- PE
- Tx

Vitiligo
- E: Destruction of melanocytes
- Assoc: Thyroid dz, pernicious anemia, DM, Addisons
- Tx: Sunscreen, UVB, repigmentation therapies
Name
- E
- PE
- Tx

Melasma
- Acquired hyperpig d/o of sun-exposed areas
- Assoc: Prego or OC
- Tx: 3% Hydroquinone soln w 0.025% Tretinoin gel, sunblock
Name
- E
- PE
- Tx

Urticaria
- Allergic rxn to drugs, food, cold, hot, stress
- Sx: Itchy, beware of angioedema
- PE: Hives, wheals
- Tx: Antihist, steroids

Name
- E
- PE
- Tx

Lipoma
- Benign neoplasm of mature fat cells
- Tx: Remove for comfort, can go away
Name
- E
- PE
- Tx

Pressure Sore

CA summary
Dermatitis summary
HSV summary
Tinea summary 2
Tinea summary 1
Other summary