Skin Cancer Flashcards
What is the most common skin cancer?
BCC - basal cell carcinoma
What are the two types of keratinocyte cancers?
- SCC - squamous cell carcinoma
- BCC - basal cell carcinoma
What is the prognosis of melanoma?
Good if caught early
V.poor if caught late
What is Breslow’s thickness?
Depth from granular layer to deepest layer of cancer cells
<1mm - 95% survival
>4mm - 50% survival
What memory aid is used to describe and take a history of a melanoma?
ABCDE + SYMPTOMS
Asymmetrical shape Border irregularity Colour irregularity Diameter >6mm Evolution of shape and size
Symptoms
- bleeding?
- itching?
How is melanoma managed?
Excision
Chemo if mets
T/F. BCC spread badly.
F - BCC only invade locally
A patient presents with a slow growing pearly lump on side of face with central ulceration.
What type of cancer is this most likely to be?
What is the name given to the central ulceration?
BCC
Rodent ulcer
What causes Merkel cell cancer?- v v v rare cancer
Viral infection
Why is blood vessels present in a tumour a sign of cancer?
Cancer needs angiogenesis
What is the management of choice for skin cancers?
Excision with clear margins
How may an SCC present?
Scaly
Ill defined
May ulcerate
What type of cancer can present early as a scaly patch?
What is this pre-malignant stage known as?
SCC
Bowen’s disease
What mutation is associated with melanoma?
B-raf
Melanoma
SCC
BCC
Lifelong sun exposure
Intermittent burning episodes
Sunbed
Match
Melanoma
- Sunbed
- Intermittent burning episodes
SCC
- lifelong sun exposure
BCC
- intermittent burning episodes