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12 Cards in this Set

  • Front
  • Back
What is the most aggressive skin cancer?
melanoma, it grows rapidly, metastasizes early and can be deadly
What is melanoma associated with?
Prior history of sunburns
What determines prognosis in a melanoma?
tissue depth at the time of diagnosis
Do you have to be sunburned to get basal and squamous cell cancers?
No, these are basal and squamous cell skin cancers are slow-growing tumors associated with cumulative sun exposure irrespective of whether patients experience actual sunburns.
What is actinic keratoses? What can it progress to?
Actinic keratoses are areas of mild atypia of the epidermis from chronic sun damage. They eventually can progress to squamous cell carcinoma, but the overall risk of progression is very small, less than 0.1% per year.
What are features concerning for malignant melanoma? ABCDEF
A: asymmetry, especially a notched border
B: border irregularity, bleeding
C: color variation
D: diameter growing greater than 6mm
E: elevation irregularity, e.g. a raised area within a macule
F: feeling changes, e.g. new itching or burning
How do I recognize melanoma?
How do I recognize basal cell carcinomas?
They appear as shiny pink or pearly papules with telangiectasias.
How do I recognize squamous cell carcinoma?
They appear as indurated yellowish plaques, often with scaling, erosions or ulcerations.
In what parts of the body does melanoma occur? Squamous cell carcinoma, basal cell carcinoma or actinic keratoses?
Melanoma can occur anywhere on the body. The other three types of lesions generally occur on sun-exposed areas, especially on the upper cheeks, below the eyes, on the ears and around the nose.
How should a suspicious mole be evaluated?
There is is low suspicion for melanoma, small lesions can be removed with a punch biopsy. If there is concern for melanoma, excisional biopsy is indicated. Never perform a shave biopsy on a pigmented lesion, since the depth of the lesion is critical to prognosis if the lesion is a melanoma.
How do you treat actinic keratoses?
Freeze them off with liquid nitrogen. Be aware that the lesions are so superficial that a single ten-second freeze is usually sufficient. Refer to dermatology for wider excision of malignant lesions.