burns and cancer.txt

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burns and cancer.txt
2011-10-01 22:07:24
Burns cancer from integumentary system

burns and cancer info from integumentary system chapter, Ivy Tech A&P 101
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  1. Rule of Nines
    way of estimating the volume of fluid lost by computing the percentage of body surface burned. The body is divided into 11 areas, each accounting for 9% of the total body area, plus an additional 1% in the genital area
  2. Rule of Nines percentages
    remember to account for anterior and posterior - head and neck 4.5%, upper limbs 4.5% each, trunk 18%, perineum 1%, lower limbs 9% each
  3. First degree burns
    only epidermis is damaged; has swelling and pain, heals in 2-3 days
  4. Second degree burns
    epidermis and upper region of dermis are damaged; mimics first degree but shows blisters, heals in 3-4 weeks
  5. Third degree burns
    involves entire thickness of skin; appears blanched, cherry red or blackened, nerve endings have been destroyed; skin grafting is often necessary
  6. basal cell carcinoma
    least malignant and most common form of cancer; cells of the stratum basale invade dermis & epidermis; usually involves areas of body exposed to sunlight
  7. squamous cell carcinoma
    arises from keratinocytes of the stratum spinosum; grows rapidly and metastasizes to adjacent lymph nodes; if caught early, with surgery and radiation complete cure is good
  8. melanoma
    most dangerous skin cancer and most rare - 5% of all skin cancers; cancer of melanocytes; usually appears as a spreading brown to black patch that metastasizes rapidly. Survival rate is 50% with early detection
  9. ABCDE rule
    Asymmetry; Border irregularity; Color; Diameter; Elevation