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Melanoma
Question | Answer |
---|---|
Epidemiology of Melanoma | 10/100,000 Incidence increasing Female:Male 2:1 common sites women --> lower leg men --> back |
Risk factors? | Fair complexion Previous history Family history Increase in number of dysplastic moles |
Characteristics of Basal Cell carcinoma? | 40's and upwards Slow irregularly growing Doesn't metastasise but locally invades 80% on head and neck Curable and treatable |
4 types of BBC? | Nodular - pearly, crusty, telangectasia, ulcerate, rolled edge, on face Superficial - on trunk and shoulders, scaly, pink/red Morphoeic - waxy, scarlike, over 50's appear 'stuck on', spread down nerves Pigmented - grey |
Squamous Cell Carcinoma? Bowen's disease? | Over production of keratin --> yellow deposits. Often on backs of hand/bald head Firmer/harder/can be painful Bowens disease = SCC in situ. |
Malignant melanoma? Checklist system? | Uncontrolled growth of pigment cells. Initially flat and later raised from skin. Glasgow 7 point checklist: Change in size, change in shape, irregular colour. + Minor features bleeding, oozing/inflammation, bigger than 7mm, change in sensation. |
Treatment for skin cancer? | Excission biopsy to confirm. Surgical excission with wide margins of 4mm. |
ABCDE of melanoma? | Assymetry, Border irregularity, Colour variation, Diametre more than 7mm, Evolves over time. |
Prognosis of melanoma? | Good if less than 1mm. Half die within 5 years if over 4mm. |