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