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23 Cards in this Set
- Front
- Back
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What is a melanoma?
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a malignant neoplasm of melanocytes, capable of widespread metastasis
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State the ABCDE of skin malignancy.
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A- Asymmetry
B- Border Irregularity C- Colour variation D- Diameter Increase E- Evolution over time |
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What is the difference between a naevus and a melanoma?
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Naevus - benign
Melanoma - malignant |
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What is a naevus?
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A benign, localised overgrowth of skin melanocytes or blood vessels.
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What is the most common type of naevus in the foot?
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Junctional naevi
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The colour of a naevus is determined by...?
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...how close it is to the epidermal surface
(close=red/brown) (deep=blue/black) |
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Where are junctional naevi sited?
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the dermo-epidermal junction
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True or false? Melanoma can arise on the sun-protected soles of the feet.
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True
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Chronic, non-______ ulcers are a common site for melanomas.
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Non-healing
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The leading cause of skin-cancer related deaths worldwide is.....?
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malignant melanoma
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Risk factors for melanoma include:
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1-Previous melanoma
2-Sun exposure 3-Fair complexion 4-Occupation |
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The two directions that a melanoma can spread are...?
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Horizontally (better outcomes) and vertically (poorer prognosis)
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If a pigmented lesion becomes more blue-ish in colour,, this may mean...?
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...that the lesion is malignant and spreading into deeper tissue
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What is Hutchinson's sign and what does it mean?
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A subungual pigmented lesion that extends into the proximal nailfold (hyponychium).
It is highly suggestive of a melanoma. |
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If you suspect a malignant melanoma you should...?
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- palpate the nearest lymph nodes
- record the lesion accurately - refer to specialist immediatly |
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What is "Clark's Levels"?
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a scale measuring the depth to which the lesion has infiltrated the dermis
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Malignant melanoma is most common over the age of...?
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40yrs
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What percentage of melanoma involve the legs and feet?
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One third of melanomas involve the legs and feet.
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Describe the feastures of this lesion and suggest what it may be.
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Describe the features of this lesion and suggest what it might be.
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Describe the features of this lesion and suggest what it might be.
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Describe the features of this lesion and suggest what it might be.
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-
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Describe the features of this lesion and suggest what it might be.
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Junctional naevus
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