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Lecture OverviewViral Infections

Learning Objectives:

Upon completion of this section and without lecture notes, the student will be able to

  • list six viral, six bacterial, and three fungal pathogens that commonly cause skin disease
  • define and describe (where appropriate) common clinical presentations and features, natural history, and common complications for the following viral skin infections:
    • roseola infantum (exanthem subitum)
    • herpes simplex
    • varicella-zoster
    • molluscum contagiosum
    • human papilloma virus infection
    • rubella
    • rubeola
    • erythema infectiosum
  • categorize the common cutaneous manifestations of Human Immunodeficiency Virus (HIV) and provide three examples for each category
  • define and describe the following bacterial infections of the skin under the headings of causative agent(s), common clinical presentations, natural history, and common applications (where applicable):
    • impetigo - bullous and nonbullous
    • ecthyma
    • cellulitis
    • folliculitis and furunculosis
    • scarlet fever
    • Staphylococcal scalded-skin syndrome
    • toxic shock syndrome
    • meningococcal infection
    • erythrasma
    • pseudomonas - localized cutaneous and systemic
    • syphilis
    • Lyme disease
  • define and describe the following fungal diseases of the skin within the categories of causative agents, common clinical presentations, and basic diagnostic tests:
    • superficial dermatophyte infection
    • deep fungal infections - blastomycosis, coccidioidomycosis, sporotrichosis
    • candidiasis - cutaneous and systemic
    • cryptococcus
    • pityrosporum
  • define and describe the following skin infestations within the categories of causative agents, common clinical presentations and complications:
    • pediculosis
    • scabies


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