QUACK is here to help deliver medical education regionally across the West of Scotland.
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This week's topic is skin lesions
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Presentation
& Guideline
Skin Lesions
Dr Chris Lim
Dermatology trainee
British Association of Dermatology
UK guidelines cutaneous melanoma
Helpful Hints
Breslow, Clark and AJCC staging
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Breslow's Depth
A staging system previously used to help prognostically score melanoma. The higher the stage the worse the prognosis
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Stage I - depth <0.75mm
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Stage II - depth 0.76-1.50mm
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Stage 3 - depth 1.51-4.00mm
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Stage IV - >4mm
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Clark's Level
Often used in conjunction with Breslow' depth, describing invasion of the melanoma lesion. The higher the level, the poorer prognostic outlook
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Level 1 - melanoma in situ/confined to epidermis
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Level 2 - invasion into the papillary dermis
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Level 3 - invasion to the junction of the papillary and reticular dermis
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Level 4 - invasion into the reticular dermis
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Level 5 - invasion into subcutaneous fat
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Since 2010, melanoma has been staged via the AJCC cancer staging. This reflects the traditional TNM approach, with further information deemed whether there is ulceration, microsatellite metasteses and LDH levels
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