Cancerous Moles Quiz

Cancerous Moles Quiz
Image: iStockphoto.com/Stephanie Bidouze

About This Quiz

Most moles are harmless, but some can be dangerous. See if you know the difference between healthy and cancerous moles in this info-packed quiz.
Which type of cancer accounts for only 5 percent of skin cancer cases, yet is responsible for a large number of cancer deaths?
squamous cell carcinoma
basal cell carcinoma
melanoma
Although less common than other types of skin cancer, melanoma is much more aggressive.

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What's the name of the skin cell that clusters to form a mole?
melanocyte
Sometimes, small groups of melanocytes -- the skin cells responsible for making melanin -- will group together to form a mole.
keratinocyte
dermocyte

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What percentage of freckles become cancerous?
1 percent
10 percent
Freckles aren't likely to become cancerous.
Like moles, freckles are made from melanocyte clusters. However, unlike moles, they're not likely to ever become cancerous.

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Which acronym does the American Academy of Dermatology use to help people determine changes in a mole?
ABCDE
It's recommended that you evaluate the ABCDE characteristics of your moles: Asymmetry, Border, Color, Diameter and Evolving changes.
MALIG
MOLE

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What types of border irregularities are common in melanomas?
flaky borders
green borders
scalloped borders
Melanoma borders usually have scallop shapes.

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What is the ideal maximum diameter size for a normal, healthy mole?
1/10 inch (2.54 mm)
1/4 inch (6.35 mm)
Any mole over 1/4 inch (6.35 mm) should be monitored for additional growth or changes.
1/2 inch (12.70 mm)

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What is a sign that a mole is evolving?
itching
burning
both itching and burning
Itching and burning -- particularly in a new mole -- should be checked out immediately.

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What type of test does a doctor conduct to determine whether or not a mole is cancerous?
a blood test
a biopsy
If your doctor thinks a mole looks suspicious, he'll conduct a biopsy so that the mole's cells can be examined by a pathologist.
a urine test

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What stage of melanoma indicates the cancer has not spread beyond the upper layer of skin?
stage 0
Stage 0, where the cancer is still only in the upper layer of skin, is the earliest and most treatable stage of melanoma.
stage I
stage II

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What is the 10-year survival rate for someone diagnosed with stage IV melanoma?
14 percent
The 10-year survival rate for those diagnosed with the most aggressive stage of melanoma, stage IV, is only 14 percent.
32 percent
68 percent

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You Got:
/10
iStockphoto.com/Stephanie Bidouze

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