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- Either precursor of or eponymous term for Lentigo Maligna Melanoma
- precancerous condition occurring chiefly during middle and old age
- typical lesions start on the face as a small dark brown or sepia spot
- initially may be simultaneous expansion and regression,
- eventually macules coalesce to form irregular pigmented areas
- often reaching 10 cm in diameter
- onset of mailgnancy signalled by
- thickening
- induration
- papules
- verrucae
- ulceration
- average period from onset to development of aggressive, malignant
melanoma is about 10 years.
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