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A lentigo (/ l ɛ n ˈ t aɪ ɡ oʊ /) (plural lentigines, / l ɛ n ˈ t ɪ dʒ ɪ n iː z /) is a small pigmented spot on the skin with a clearly defined edge, surrounded by normal-appearing skin. It is a harmless (benign) hyperplasia of melanocytes which is linear in its spread.
Histology slide of a solar lentigo. Differently from the melanotic nevi and the verrucous nevi on the skin, age spots change in color and in shape with time. Wang-Michelitsch and Michelitsch propose a hypothesis inspired by their misrepair-accumulation aging theory [12] for the development of age spots. [13]
Lentigo maligna is a histopathological variant of melanoma in situ. [6] Lentigo maligna is sometimes classified as a very early melanoma, [7] and sometimes as a precursor to melanoma. [8] When malignant melanocytes from a lentigo maligna have invaded below the epidermis, the condition is termed lentigo maligna melanoma. [2]
"There are many different types of age spots—it's a word that we sometimes use for many different conditions that look similarly," says Dr. Henry "The most standard one is a lentigo, which is ...
Ink spot lentigo is a cutaneous condition characterized by skin lesions commonly occurring on the shoulders. [1] These lesions often cause alarm but are benign. They are an indication of excessive sun exposure so although ink spot lentigo is not premalignant, people with several of them maybe at increased risk of skin cancer due to UV damage.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 March 2025. "Skin pigmentation" redirects here. For animal skin pigmentation, see Biological pigment. Extended Coloured family from South Africa showing some spectrum of human skin coloration Human skin color ranges from the darkest brown to the lightest hues. Differences in skin color among ...
Lentigo in cats is a common dermatological condition characterized by the presence of small, flat, brownish spots on the skin — particularly around the lips, nose, and eyelid margins. Unlike in ...
Skin friction, which occurs when someone’s body shape has areas of skin that rub together, is a likely reason why skin tags develop, Goldbach says.