Skin Cancer : Non-melanoma Skin cancers

Skin Cancer : Non-melanoma Skin cancers 150 150 Tony Guo

Non-melanoma Skin cancers

  • Actinic keratosis
    • Premalignant skin lesions
  • Basal cell carcinoma
    • Most common type of skin cancer
    • Least deadly
  • Squamous cell carcinoma
    • Potential to metastasize
    • Pipe, cigar, and cigarette smoking
    • Immunosuppression leads to a dramatic increase in the incidence

Malignant melanoma

  • Cause unknown
    • Environmental factors
    • Genetic factors
  • Risk factors
    • Red or blonde hair
    • Light-colored eyes
    • Fair skin that freckles
    • Chronic sun exposure
    • Family history
  • ABCDE Rule
    • Asymmetry
    • Border irregularity
    • Color change
    • Diameter >6 mm
    • Evolving in appearance
  • Interprofessional Care
    • Treatment determined by
    • Site of original tumor
    • Stage of the cancer
    • Patient’s age and general health
    • Includes wide surgical incision and adjuvant therapy
  • Tumor staging
    • O to IV
    • Based on tumor size, nodal  involvement, and  metastasis

Diagnostic and surgical therapy

  • Skin scraping
    • Obtain a sample of surface cells (stratum corneum) for microscopic inspection and diagnosis
  • Electrodessication/Electrocoagulation
    • The heat created from electrical energy, burns and destroys tissue
  • Curettage
    • The removal and scooping away of tissue using an instrument called a curette
  • Punch biopsy
    • To obtain a tissue sample for histologic study or to remove small lesions
  • Cryosurgery
    • Destroying epidermal lesions by using subfreezing temperature
  • Excision—Mohs procedure

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