Lentigo L81.41

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 05.12.2021

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A term used very differently in dermatological usage, which is defined clinically on the one hand, but also histologically. In general, lentigo is understood to be a congenital or acquired, variably sized (lentigo refers to a maxial lens-sized pigment spot; lentigo = lens), usually occurring in plural (plural = lentigines), benign, yellow-brown to brown-black, well-bordered spot of the skin and/or mucosa (exception: lentigo maligna = in situ melanoma).

The cause is a melanocyte proliferation in the basal layer of the surface epithelium (especially in lentigo solaris, epidermal proliferation may also occur).

Lentigines may be a marker symptom for a genetic disorder, but also an indication of increased solar stress (see also Lentigines syndromes).

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Basically, from a clinical and histological point of view, the following classification can be made:

Clinical classification and incidence of lentigo/lentigines:


Please ask your physician for a reliable diagnosis. This website is only meant as a reference.


Last updated on: 05.12.2021