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Medical-Surgical Nursing
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Squamous Cell Carcinoma
A cancer of the epidermis
Can invade locally
Potentially metastatic
Basal Cell Carcinoma
Cancer of the basal cell layer of the epidermis
Can damage underlying tissues and progress to include vital structures
Not usually metastatic
Malignant Melanoma
Highly metastatic cancer
Originates in the melanin-producing cells of epidermis
Biopsy: Punch
2-6 cm circular instrument
Small circle of tissue removed to depth of SQ fat
May be sutured
Biopsy: Shave
Scalpel or razor blade
Skin elevated above the surrounding tissue by injection of local anesthetic is shaved off
For superficial or raised lesions
Biopsy: Excision
Scalpel
A deep incision is made and then sutured after the entire lesion is removed
For large, deep lesions
Cryosurgery
Freeze tissue by application of liquid nitrogen
Cleanse with hydrogen peroxide and apply topical antimicrobial until healed
Signs and Symptoms: ABCD's of Melanoma
A
symmetry
B
orders
C
olor
D
iameter
Melanoma: Asymmetry
One side does not match the other
Melanoma: Borders
Irregular
Ragged
Notched
Blurred edges
Melanoma: Color
Lack of uniformity in pigmentation
Shades of tan, brown or black
Melanoma: Diameter
The width is greater than 6 mm (about the size of a pencil eraser)
Topical Chemotherapy
5-flourouarcil cream for treatment actinic keratoses
Interferon
Post-op treatment of stage III or greater melanomas
Author
Anonymous
ID
3662
Card Set
Medical-Surgical Nursing
Description
ATI
Updated
2010-01-03T04:49:46Z
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