Dermatology Flashcards
Erythematous, scaly, palpable lesions overlying the MCP and intercarpal phalangeal joints
Grotton papules (dermatomyositis)
Labial adhesion treatment
Estrogen topical BID => surgery
Papulosquamous pruritic papules and plaques with purplish hue
Lichen planus (associated with Hepatitis C and drugs)
Reddish-violaceous or bluish-purplish mottling in reticulated patches with a sharp demarcation at midline
Cutis marmorata telangiectatica congenita (vs. physiological cutis marmorata which improves with warming). Cutis = skin, marmorata = marbling, tel = end, angi = vessel, ectasia = dilation
Erythematous indurated rash on cheeks in a well appearing asymptomatic child
Cold panniculitis
Rash associated with Crohn’s disease
Erythema nodosum (Erythematous, tender, subcutaneous nodules on the extensor aspects of the legs between the knees and ankles)
Diseases with erythema nodosum
Crohn’s disease, Behcet’s disease, bacterial gastroenteritis, strep throat, and disease with granulomas (TB, sarcoidosis, fungal)
Rash with kwashiorkor
Flaky paint dermatosis (Blanching erythema with overlying reddish-brown scaling and sharply demarcated raised edges) vs acrodermatitis enterohepatica (Zinc deficiency)
Pruritic and painful inflamed symmetrical vesicles/bullae on the palmar and lateral aspects of hands/feet
Dyshidrotic eczema (pompholyx)
Alopecia areata treatment
1st line: Intralesional corticosteroids or potent topical steroid => 2nd line: systemic steroids => 3rd line: methotrexate or cyclosporin
Newborn with vesicles and bullae with eosinophilia, and verrucous lesions (associations)
Incontinentia pigmenti (can have retinal detachment, strabismus)
Sudden appearance of numerous small, discrete, drop-like, erythematous papules and plaques, some with fine scaly appearance, most prominent on the trunk and proximal extremities. Spares palms and soles. (Dz and association)
Guttate psoriasis, 80% patients have recent or current streptococcal infection (tonsillopharyngitis, perianal cellulitis, erysipelas)
Widespread morbilliform rash that is particularly prominent on trunk, perineum, and intertriginous area (dz?)
Kawasaki disease
A maculopapular rash associated with numerous petechiae involving the wrists, palms, ankles, and soles, and to a less extent, the trunk (dz?)
Rocky mountain spotted fever (remember hyponatremia and thrombocytopenia)
Pruritic, reddish-brown macules and papules, which evolve into vesicular and necrotic lesions as new lesions appear, symmetrical, associated with fever and generalized malaise (dz and tx?)
Pityriasis lichenoides et varioliformis acuta (PLEVA) => last longer compared to VZV => tx erythromycin or UVB light therapy