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lentigo |
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lentigo /len·ti·go/ (len-ti´go) pl. lentig´ines [L.] a flat brownish pigmented spot on the skin, due to increased deposition of melanin and an increased number of melanocytes. lentigo malig´na a circumscribed macular patch of hyperpigmentation, with shades of dark brown, tan, or black, that enlarges slowly and may be a precursor to lentigo maligna melanoma.
lentigo [lentī′gō] pl. lentigines Etymology: L, freckle a tan or brown macule on the skin brought on by sun exposure, usually in a middle-aged or older person. It is benign, and no treatment is necessary. However, in some cases it may mimic melanoma and should be biopsied. Compare freckle. lentigo (lenˑ·t lentigo pl. lentigines [L.] a flat, brownish pigmented spot on the skin due to increased deposition of melanin and an increased number of melanocytes; a freckle. orange cat lentigo lentigo simplex. lentigo simplex pigmented macules develop in orange cats from about 1 year of age, mainly on the lips. They are of no significance. Called also orange cat lentigo. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Occasionally, these benign tumors need to be separated from verruca vulgaris (wart), solar lentigo, squamous cell carcinoma, and melanoma, but separation is usually straightforward, relying on deeper levels cut into the block rather than on special studies. Pigmented squamous cell carcinoma of the scrotum associated with a lentigo. |
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