PANCE Blueprint Dermatology (5%)

Eczematous Eruptions (PEARLS)

The NCCPA™ PANCE and PANRE Dermatology Content Blueprint covers three disorders under Eczematous Eruptions


Dermatitis 1. Contact dermatitis: well-demarcated erythema, erosions, vesicles

  • Allergic:  Nickel, poison ivy, etc. Type 4 hypersensitivity
  • Irritant (diaper rash):  Cleaners, solvents, detergents, urine, feces
  • Treatment: Avoid offending agent. Burrow’s solution (aluminum acetate), topical steroids, zinc oxide (diaper rash)
Contact Dermatitis

Contact Dermatitis

2. Atopic dermatitis: Pruritic, eczematous lesions, xerosis (dry skin), and lichenification (thickening of the skin and an increase in skin markings). Most common on flexor creases (ex. antecubital and popliteal folds)

  • IgE, type 1 hypersensitivity
  • Infant- face, and scalp
  • Adolescent- flexural surfaces
Atopic Dermatitis

Atopic Dermatitis

3. Nummular eczema: Coin-shaped/discCoin-shaped

Nummular eczema

Nummular eczema

4. Seborrheic dermatitis (cradle cap): Erythematous, yellowish greasy scales, crusted lesions.

  • Infants- scalp (cradle cap)
  • Adults/adolescents- body folds
  • Treatment: Ketoconazole shampoo
Seborrheic dermatitis

cradle cap

Seborrheic dermatitis

Adults/adolescents: presents on body folds

5. Perioral dermatitis: Young women. Papulopustular, plaques, and scales around the mouth.

  • Treatment: Topical metronidazole, avoid steroids

Perioral dermatitis

Perioral dermatitis

Dyshidrosis Characterized by a pruritic vesicular eruption comprised of clear, deep-seated vesicles without erythema erupting on the lateral aspects of fingers, the central palm, and plantar surfaces.

  • The eruption has been described as resembling tapioca pudding. The onset may be acute, recurrent, or chronic

Treatment: petroleum jelly, moisturizer, cold compresses, and topical steroids

Dyshidrotic Eczema

Dyshidrotic Eczema

Lichen simplex chronicus Lichen simplex chronicus (LSC) is a chronic dermatitis resulting from chronic, repeated rubbing or scratching of the skin. Skin becomes thickened with accentuated lines (“lichenification”). The constant scratching causes thick, leathery, brownish skin

  • A long-term manifestation of scratching atopic dermatitis

Treatment: Break the itch-scratch cycle (anti-histamines, occlusive dressing)

Lichen simplex chronicus

Lichen simplex chronicus

Urticaria (ReelDx) (Prev Lesson)
(Next Lesson) Dermatitis (ReelDx)
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