Chapter 27, malignant melanoma

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What are the 3 types of skin cancers
- basal cell carcinoma
- squamos cell carcinoma
- malignant melanoma
what is the more serious skin cancer

maignant melanoma
where does the tumor originate in malignant melanoma

base layer of the epidermis or a nerve
what is the etiology for malignant melanoma
- UV light-sun/tanning salon
- Race-white mostly
- Atypical mole/dyplasic nevus syndrome
- immunosuppression
what is a nevus

a collection of melanocytes
what are the risk factors for malignant melanoma
- family history
- blonde/red hair
- freckling on upper back
- 3 or more sunburn before 20yrs
- 3 or more outdoor jobs as teen
- actinic keratosis-sandpaper skin
actinic keratoses predisposes people to what type of skin cancer

squamos cell carcinoma
if you have 2 of the 6 risk factors what happens to your chances of getting skin cancer

3.5-fold increase
if you have 3 or more of the 6 risk factors what happens to your chances of getting skin cancer

20-fold increase
what are the signs and symptoms of malignant carcinoma
- ABCDE
- melonoma is suspected in any nevus that shows change in:
- Appearence
- Border
- Color
- Diameter
- Evolving/elevation
most malignant melanomas measure more than

6mm in diameter
what are the diagnostic test for malignant melanoma

biopsy
what are the complications of malignant melanomas

metastasis to lymph then brain
what is the treatment for malignant melanoma
- surgery
- skin graft
- radiation & chemo
- interferon
what is the most important fact in determining prognosis

tumor thickness
what is the prognosis for malignant melanoma
- variable depends on
- thickness of tumor
- location
- lesion type
- level of invasion

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tville01

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Chapter 27, malignant melanoma

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Chapter 27, malignant melanoma

Updated

2012-05-25T18:04:32Z