Integumentary Problems

Card Set Information

Integumentary Problems
2010-04-02 10:01:18
Integumentary Problems Key Terms Ch 24 Lewis

Integumentary Problems key terms
Show Answers:

  1. actinic keratosis
    a slowly developing, localized thickening and scaling of the outer layers of the skin consisting of hyperkeratotic papules and plaques as a result of chronic, prolonged exposure to the sun, also known as solar keratosis.
  2. basal cell carcinoma
    a malignant epithelial cell tumor arising from epidermal basal cells that begins as a papule and enlarges peripherally, developing a central crater that erodes, crusts, and bleeds.
  3. cryosurgery
    the use of subfreezing temperatures to perform surgery.
  4. curettage
    scraping of material from the wall of a cavity or other surface using an instrument with a circular cutting edge attached to a handle, performed to remove tumors or other abnormal tissue or to obtain tissue.
  5. dysplastic nevi
    nevi that are larger than usual (>5 mm across) with irregular borders and various shades of color; also known as atypical moles.
  6. lichenification
    the thickening of the skin as a result of proliferation of keratinocytes with accentuation of the normal markings of the skin often caused by repeated scratching of a pruritic lesion.
  7. malignant melanoma
    a tumor arising in cells producing melanin, usually the melanocytes of the skin.
  8. squamous cell carcinoma
    a slow-growing malignant tumor of squamous epithelium; found in the lungs and skin and occurring also in the anus, cervix, larynx, nose, and bladder.
  9. sunscreen protective factor (SPF ) index
    a system of measuring the effectiveness of various formulations for protecting the skin from actinic rays of the sun.