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.

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.

  • 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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