Dermatology Book

http://www.fpnotebook.com/

Nonmelanoma Skin Cancer

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  1. Types
    1. Basal Cell Carcinoma
    2. Actinic Keratoses (Squamous Cell Carcinoma precursor)
    3. Squamous Cell Carcinoma
  2. Risk Factors (both basal cell and squamous cell)
    1. Radiation exposure and other local skin damage
      1. Cummulative Sun Exposure
      2. Gamma radiation for Psoriasis or malignancy
      3. Ultraviolet Radiation exposure (esp. before age <14)
      4. Prior burn scars
    2. Genitourinary skin
      1. Human papilloma virus (HPV) infection
      2. Uncircumcised male
    3. Miscellaneous
      1. Tobacco abuse
      2. Prior nonmelanoma skin cancer
  3. Signs
    1. See Sun Damaged Skin
    2. See Basal Cell Carcinoma
    3. See Squamous Cell Carcinoma
    4. See Actinic Keratoses
  4. Prognosis
    1. Basal Cell Carcinoma does not metastasize
    2. Squamous Cell Carcinoma metastasizes in 3-4% of cases
  5. Prevention
    1. See Sun Exposure (lists general preventive measures)
    2. See Sunscreen
  6. References
    1. Tavelli in Noble (2001) Primary Care, p. 771-2
    2. Nguyen (2002) Curr Treat Options Oncol 3:193
    3. Stulberg (2004) Am Fam Physician 70:1481

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