Lentigo simplex

Lentigo Simplex

Lentigo simplex (pronunciation: len-TI-go SIM-plex) is a type of benign skin lesion that is characterized by small, brownish spots on the skin. It is the most common form of lentigo, and is not associated with sun exposure.

Etymology

The term "lentigo" originates from the Latin word "lentiginosus," which means "full of freckles." The term "simplex" is derived from the Latin word "simplex," which means "simple" or "uncomplicated."

Description

Lentigo simplex is characterized by small, round or oval, sharply demarcated, uniformly pigmented macules. They can appear anywhere on the body, including areas not exposed to the sun. The color can range from light brown to black. The size of the lesions can vary from 1 to 15 mm in diameter.

Causes

The exact cause of lentigo simplex is unknown. However, it is believed to be caused by an increase in the number of melanocytes, the cells that produce melanin, the pigment that gives color to the skin, hair, and eyes.

Diagnosis

Diagnosis of lentigo simplex is usually made based on the appearance of the skin lesions. In some cases, a skin biopsy may be performed to confirm the diagnosis and to rule out other conditions, such as melanoma.

Treatment

Treatment is not usually necessary for lentigo simplex, as the lesions are benign and do not pose a health risk. However, if the appearance of the lesions is bothersome, they can be lightened with bleaching creams or removed with laser therapy or cryotherapy.

Related Terms

• Melanocyte
• Melanin
• Skin biopsy
• Melanoma
• Bleaching creams
• Laser therapy
• Cryotherapy

External links

• Medical encyclopedia article on Lentigo simplex
• Wikipedia's article - Lentigo simplex

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