Lentigines
Lentigines
Lentigines (pronunciation: len-TIJ-uh-neez) are small, pigmented spots on the skin with a clearly defined edge, surrounded by normal-appearing skin. They are a common type of hyperpigmentation and are benign (non-cancerous).
Etymology
The term 'lentigines' is derived from the Latin word 'lentigo', meaning 'lentil'. This is due to the lentil-like shape of the spots.
Types of Lentigines
There are several types of lentigines, including:
- Simple lentigines: These are small, dark spots that can appear anywhere on the body, and are most commonly found in people with fair skin.
- Sun lentigines: Also known as 'age spots' or 'liver spots', these are caused by exposure to the sun. They are larger than simple lentigines and are usually found on the face and hands.
- Lentigo maligna: This is a type of melanoma, a serious form of skin cancer. It starts as a lentigo and gradually enlarges and darkens.
Diagnosis
Diagnosis of lentigines is usually made by a dermatologist through a physical examination of the skin. In some cases, a biopsy may be performed to rule out melanoma.
Treatment
Treatment for lentigines includes laser therapy, cryotherapy, and topical creams containing hydroquinone, retinoids, or other skin-lightening agents.
Prevention
Prevention of lentigines involves protecting the skin from the sun by wearing sunscreen, protective clothing, and avoiding peak sun hours.
External links
- Medical encyclopedia article on Lentigines
- Wikipedia's article - Lentigines
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