Transcript Skin Cancer - Effingham County Schools

SKIN CANCER
 Neoplasms or tumors
can be classified as
benign or malignant
 Benign = noncancerous
 Malignant = cancerous
Examples of Benign
or Noncancerous
Tumors
Dermatofibroma – fibrous tumor;
painless, round, firm, red
Hemangioma – benign tumor of
dilated blood vessels
Keloid – scar formed after
surgery or injury; raised,
thickened area
 There are many different
types of skin cancer such
as: basal cell carcinoma,
squamous cell
carcinoma, and
malignant melanoma
 Skin cancer usually develops
from a mole or nevus (a growth
or mark on the skin)
 However that mole or mark
changes in color, size, shape, or
texture
 Bleeding or itching of a mole
can also indicate skin cancer
Causes of Skin Cancer
 Exposure to sun
 Prolonged use of tanning
beds
 Irritating chemicals
 radiation
Treatment of Skin Cancer
Skin cancer is
usually treated by
surgical removal
and/or radiation
Basal Cell Carcinoma
 Tumor of the basal cell layer of
the epidermis
 Common type of skin cancer
that rarely metastasizes
(spreads)
 Usually caused by sun
exposure
Basal Cell Carcinoma
Squamous Cell Carcinoma
Epidermal cancer
that may go into
deeper tissue but
does not generally
metastasize
Squamous Cell Carcinoma
Malignant Melanoma
Dangerous form of
skin cancer caused
by an overgrowth of
melanin. May
metastasize.
Malignant Melanoma
Kaposi’s Sarcoma
 Form of skin cancer
frequently seen in AIDS
patients.
 Brownish purple pustules that spread from
the skin and metastasize to internal organs
 Named for Moritz Kaposi – Austrian
dermatologist