Is lentigo a freckle?

A lentigo is a pigmented flat or slightly raised lesion with a clearly defined edge. Unlike an ephelis (freckle), it does not fade in the winter months. There are several kinds of lentigo. The name lentigo originally referred to its appearance resembling a small lentil.

What is the difference between lentigo and freckles?

The main difference between a freckle and a solar lentigo is that in a freckle only the amount of pigment being produced by melanocytes is increased, rather than the actual number of cells. Alternative names: Liver spot, old age spot, senile freckle, sun spots (singular: lentigo).

Is lentigo a mole?

A lentigo may be clinically indistinguishable from a junctional nevus (mole); however, these lesions are histologically distinct. Several syndromes are associated with multiple lentigines.

Is solar lentigo a freckle?

A solar lentigo (plural, solar lentigines), also known as a sun-induced freckle or senile lentigo, is a dark (hyperpigmented) lesion caused by natural or artificial ultraviolet (UV) light. Solar lentigines may be single or multiple.

What are lentigo spots?

Lentigo is the medical term for a skin condition commonly known as liver spots. Lentigo (or liver spots) are flat spots on your skin that are darker than your usual skin tone. They're not itchy or painful. They're also not dangerous.

What is the difference between lentigo and nevus?

Both are defined as a numerical increase in melanocytes, with single-cell proliferation defining lentigo and at least one nest of melanocytes constituting a nevus. The number of melanocytes is augmented when more than 6.5 melanocytes are seen per millimeter stretch of basal layer (Tosti et al. 1998).

Can lentigo become cancerous?

melanoma skin cancer called lentigo maligna melanoma. It could take 10 years or more to happen. Having the potential to develop into cancer. A precancerous condition can (or is likely to) become cancerous (malignant).

Can lentigo be benign?

Lentigo simplex lesions are benign (non-cancerous) lesions that cause no harm. However, their appearance is sometimes similar to melanomas or other cancerous lesions so they need to be examined carefully.

What does lentigo melanoma look like?

Both look like a flat or slightly raised brown patch, similar to a freckle or age spot. They have a smooth surface and an irregular shape. While they're usually a shade of brown, they can also be pink, red, or white.

Is hyperpigmentation the same as freckles?

As mentioned, freckles are a type of hyperpigmentation. People with them produce more than enough melanin, but it does not distribute evenly across the skin. This causes the little localised areas of discolouration, fondly (or not!) known as freckles.

What is lentigo mean?

A lentigo is a small, sharply circumscribed, pigmented macule surrounded by normal-appearing skin. Histologic findings may include hyperplasia of the epidermis and increased pigmentation of the basal layer.

How do I get rid of lentigo?

If left untreated, solar lentigo will most likely persist indefinitely. Cryotherapy and laser surgery can destroy them, but treatment may leave a temporary or permanent white or dark mark. Cysteamine cream hyperpigmentation treatment has been used. Bleaching agents such as hydroquinone are not effective.

What is lentigo caused by?

Lentigo is primarily caused by sun exposure. The sun's UV radiation causes skin cells called melanocytes to produce more pigmentation in your skin. This is why people tan, burn, or freckle after spending time in the sun. Over the years, damage from UV radiation can cause pigmentation deposits in your skin.

What is a single freckle called?

Lentigines) Ephelides (singular: ephelis) is the Greek word and medical term for freckle. This term refers to 1 mm-2 mm flat spots that are tan, slightly reddish, or light brown and typically appear during the sunny months.

What are freckles called?

Freckles are extra patches of coloring (or pigment) under your skin. Doctors call them ephelides. You have them because of the genes you were born with. Freckles often show up during childhood, and you may continue to get more until you're in your 20s.

Is melasma a freckle?

Melasma is a skin condition characterized by brown or blue-gray patches or freckle-like spots. It's often called the “mask of pregnancy.” Melasma happens because of overproduction of the cells that make the color of your skin. It is common, harmless and some treatments may help.

Is lentigo a melanoma?

Lentigo maligna is a subtype of melanoma in situ that is characterized by an atypical proliferation of melanocytes within the basal epidermis; lentigo maligna that invades the dermis is termed lentigo maligna melanoma.

What does a lentigo maligna look like?

Lentigo maligna commonly looks like a freckle, age spot, sun spot or brown patch that slowly changes shape and grows in size. The spot may be large in size, irregularly shaped with a smooth surface, and of multiple shades of brown and sometimes other colours.

How do I know if I have lentigo maligna?

Signs and symptoms

Lentigo maligna melanoma typically presents as a dark mole that changes in shape, color, or size. Initially, it tends to appear as an irregular brown macule or lesion on the head or neck. As it progresses, it can become one of several different colors, including black.

Does lentigo grow?

Lentigo maligna presents as a slowly growing or changing patch of discoloured skin. At first, it often resembles common freckles or brown marks (lentigines). It becomes more distinctive and atypical in time, often growing to several centimetres over several years or even decades.

What is a lentigo found on human skin?

A lentigo is a small, sharply circumscribed, pigmented macule surrounded by normal-appearing skin. Histologic findings may include hyperplasia of the epidermis and increased pigmentation of the basal layer.

What color are lentigines?

Solar lentigines (len-TIJ-ih-neez) are flat spots of increased pigmentation. They are usually tan, brown or dark brown and darker than freckles. Solar lentigines have oval to round shapes and vary in size. They usually appear on areas most exposed to the sun, such as the scalp, face, hands, arms and upper trunk.

Is lentigo a cosmetic?

Lentigines are usually benign therefore treatment is not necessary. For cosmetic purposes, some successful treatments include: cryotherapy, hydroquinone preparations (bleaching preparations), retinoid cream, chemical peels or lasers. Protective measures should be taken to avoid any excessive sunlight exposure.

Is there a difference between freckles and sunspots?

Freckles are also known to fade with age. Sunspots are flat areas of discolouration or spots, that can be tan or varying shades of brown. In comparison to freckles, sunspots are usually darker, larger and have a more defined shape. Sunspots also tend to stay this way regardless of the amount of sun exposure.

Are freckles dark spots?

Freckles are small dark spots, usually less than 5mm in diameter, where the skin cells have produced extra pigmentation. Most freckles are uniform in color, but it varies depending on skin tone. They can be red, tan, light brown, dark brown, black, or any color that is darker than the person's skin color.