IV. Causes: Rare

  1. Lichen Nitidus
  2. Pityriasis lichenoides
  3. Pityriasis rubra pilaris
  4. Rickettsialpox
  5. Rubella
  6. Rubeola

VI. Labs; Biopsy

  1. General
    1. Prior to biopsy, review stains (e.g. immunohistological), sample location, size, bisection recommendations
  2. Indications: Conditions where biopsy is helpful
    1. Bullous Pemphigoid
    2. Dermatitis Herpetiformis
    3. Erythema Multiforme
    4. Lichen Planus
    5. Cutaneous T-Cell Lymphoma (Mycosis Fungoides)
    6. Psoriasis
    7. Rocky Mountain Spotted Fever
    8. Staphylococcal Scalded Skin Syndrome
    9. Subacute Cutaneous Lupus Erythematosus
    10. Sweet Syndrome
    11. Stephens-Johnson Syndrome (Toxic Epidermal Necrolysis)

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