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)