Lentigo: Causes, Features, and Treatment — DermNet A lentigo is a clearly defined, pigmented macule that results from sun exposure Unlike a freckle, it does not fade over time Images below demonstrate the various possible forms
Lentigo maligna and lentigo maligna melanoma - DermNet What is lentigo maligna? Lentigo maligna is a precursor to lentigo maligna melanoma, a potentially serious form of skin cancer Lentigo maligna is also known as Hutchinson melanotic freckle
Solar lentigo - DermNet What is solar lentigo? Solar lentigo is a harmless patch of darkened skin It results from exposure to ultraviolet (UV) radiation, which causes local proliferation of melanocytes and accumulation of melanin within the skin cells (keratinocytes) Solar lentigos or lentigines are very common, especially in people over the age of 40 years Sometimes they are also known as an “old age spot” or
Brown spots, lentigos and freckles - DermNet What are brown spots and freckles? Brown spots and freckles on sun- exposed skin are ephelides (the plural of ephelis) and lentigines (the plural of lentigo) The difference between an ephelis and a lentigo is that an ephelis fades during the winter months while a lentigo persists in the absence of ultraviolet (UV) stimulation
Lentigo simplex - DermNet Lentigo simplex is the most common form of lentigo A single lesion or multiple lesions (lentigines) may be present at birth or more commonly first develop in early childhood
Lentigo pathology - DermNet Lentigo simplex is a common lesion and usually appears in childhood Key features include mild epidermal acanthosis, increased numbers of uniformly dispersed single melanocytes without atypia in the basal layer and variable basal hyperpigmentation (figures 1, 2)
Lentiginous melanoma - DermNet This type of melanoma has only recently been classified as distinct from superficial spreading melanoma and lentigo maligna (melanoma) Who gets lentiginous melanoma? The risk of lentiginous melanoma relates to sun damage
Lentigo images - DermNet Lentigo, lentigines images Authoritative facts about the skin from DermNet New Zealand
Labial melanotic macule - DermNet Freckle (ephelides) Lentigo simplex Solar lentigo Venous haemangioma (venous lake) Amalgam tattoo Junctional melanocytic naevus (a flat mole) Lentigo maligna (a form of melanoma in situ) Superficial spreading melanoma These conditions can be differentiated from labial melanotic macule by a combination of clinical and histological features
Lentigo maligna and lentigo maligna melanoma dermoscopy What is lentigo maligna? Lentigo maligna is a type of melanoma in situ and is a precursor to lentigo maligna melanoma, a potentially serious form of skin cancer Lentigo maligna is also known as Hutchinson melanotic freckle Lentigo maligna occurs in sun-damaged skin so is generally found on the bald scalp, face or neck, particularly the nose and cheek of older adults It grows slowly in