Skin cancers

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Cancers are capable of spreading through the body by two mechanisms: local invasion and distant metastasis. Invasion refers to the direct migration and penetration by cancer cells into neighboring tissues. Metastasis refers to the ability of cancer cells to penetrate into lymphatic and blood vessels, circulate through the bloodstream, and then invade normal tissues elsewhere in the body. Cancer is most deadly when it metastasizes.

Carcinogenesis (lit.: creation of cancer) is the process of derangement of the rate of cell division.

Malignant tumors such as carcinoma or sarcoma, lymphoma or leukemia originate from a cell or a group of cells in a multicellular organism that has several distinct properties:

  • evading apoptosis
  • Unlimited Growth Potential
  • self-sufficiency of growth factors
  • insensitivity to anti-growth factors
  • increased cell division rate
  • altered differentiation (specialization) ability
  • no ability for contact inhibition
  • ability to invade neighbouring tissue
  • ability to build metastases
  • ability to promote blood vessel growth (angiogenesis)

  • Meds.com: Cancer Glossary
    Aims to provide a better understanding of words frequently used in patient care.
  • CancerSymptoms
    Discusses common symptoms related to cancer treatment. Provides email access to a nurse for questions.
  • About.com: Cancer
    Presents general overview information on many of the main kinds of tumors. Includes news, doctor search, glossary and access to support hotlines.
  • MyOwnBiopsy
    Provides "translations" of cancer pathology reports from medical jargon into understandable lay terms.
  • Chemotherapy-Induced Nausea And Vomiting
    A detailed review of this subject in pdf format aimed at the professional level.