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Inflammation
Swelling due to blood vessel dilation, fluids leave vessels carrying nutrients & oxygen
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1st Degree Burn
- Epidermal cells only
- Redness & some swelling
- Heals in up to 2 weeks with no scarring
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2nd degree burn
- Destroy some epidermis & some dermis.
- Blisters, colored from deep red to white.
- Heals by accessory organs epithelial mitosis
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3rd degree burn
- Destroys epidermis, dermis and accessory organs.
- Skin dry and leathery, red to black to white
- Heals from epithelial cells spreading in from the margins or transplant
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Skin Cancer (Common)
Carcinomas
- Basal Cell Carcinoma or Squamous cell carcinoma
- Most common type. Originates in epithelial cells
- Slow growing
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Skin Cancer (Uncommon)
Melanomas
- Uncommon, 5% of skin cancers
- Originates in melanocytes
- Fast growing and spreads
- Characteristics: asymmetry, color uneven, diameter larger than an pencil eraser, any mole that itches or bleeds
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