Notes
Slide Show
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Rash Decisions in Children:A Systematic Evaluation
  • Bernard A. Cohen, M.D.
  • Director of Pediatric Dermatology
  • Johns Hopkins Children’s Center
  • dermatlas.org
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Systematic Evaluation:History
  • How long?
  • Does it itch?
  • Self treatment?
  • Drugs?
  • Myths?
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Systematic Evaluation:Exam
  • Good light
  • Good skin exposure
  • Good eye
  • Good book
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Systematic Evaluation:General Considerations
  • Setting (OPD, ER, NICU, PICU)
  • General health
  • Distribution
  • Pattern
  • Organization
  • Morphology
  • Anatomic depth
  • Tumor v inflammatory


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Sun Exposed Sites
  • Phototoxic reactions (sun burn)
  • Photoallergic reactions (eg. drug)
  • Psoriasis (isomorphic phenomenon)
  • Polymorphous light eruption
  • Porphyria
  • Lupus erythematosus
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Intertriginous Sites
  • Contact irritant/allergic dermatitis
  • Seborrheic dermatitis
  • Candida
  • Tinea corporis
  • Erythrasma
  • Necrolytic migratory erythema
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Acrodermatitis
  • Papular acrodermatitis
  • Acrodermatitis enteropathica
  • Acrodynia
  • Atopic dermatitis
  • Tinea corporis
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Acneiform Eruptions
  • Acne vulgaris
  • Acne rosacea
  • Drug induced acne
  • Cushing syndrome
  • Folliculitis
  • AIDS
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Pityriasiform Eruptions
  • Pityriasis rosea
  • Psoriasis
  • Pityriasis lichenoides
  • Syphilis
  • Tinea corporis
  • Drug eruptions
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Blaschko Lines (Genetic Mosaicism)
  • Linear epidermal nevus
  • Nevus sebaceous
  • Incontinentia pigmenti
  • Lichen striatus
  • Hypomelanosis of Ito
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Organization of Lesions
  • Linear
  • Dermatomal
  • Herpetiform
  • Segmental
  • Annular
  • Reticulated



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