A mole, or nevus, is a prevalent lesion in the periocular area, usually present since adolescence or early adulthood. Moles are generally pigmented, though some are pink or fleshy in color (non-pigmented). A nevus may acquire a more irregular shape and darker tones as it slowly grows over the years. If this is the case, you may want to know if the lesion is becoming cancerous.
Although it is uncommon for a mole to become malignant, any pigmented lesion on the eyelid that grows, or changes hues must be thoroughly examined. Malignant melanoma is an aggressive type of cancer that may present as a pigmented lesion on the eyelid skin. In its earlier stages, a melanoma may have similar characteristics as a nevus. This is the main reason that oculoplastic surgeons are determined to remove any pigmented lesions on the eyelids quickly. Unusual features, such as rapid growth, different tonalities within the lesion, or vascularity, will prompt the surgeon to perform a biopsy.
Making a distinction between a pigmented nevus and melanoma is of paramount importance. Eyelid surgeons are the most qualified physicians to make the right diagnosis. When in doubt, these specialists will perform a biopsy of the lesion.
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