PUVA lentigines
PUVA Lentigines
PUVA lentigines (pronounced: P-U-V-A len-ti-je-neez) are a type of skin lesion that can occur as a side effect of PUVA therapy.
Etymology
The term "PUVA" is an acronym for Psoralen and Ultraviolet A, a type of phototherapy used to treat various skin conditions. "Lentigines" is derived from the Latin word "lentigo", meaning freckle.
Definition
PUVA lentigines are small, darkened patches of skin that can appear after treatment with PUVA therapy. They are similar in appearance to freckles, but are usually larger and darker.
Causes
PUVA lentigines are caused by the interaction of psoralen, a photosensitizing medication, with ultraviolet A (UVA) light. This interaction can cause changes in the skin's pigmentation, leading to the formation of lentigines.
Related Terms
- Psoralen: A photosensitizing medication used in PUVA therapy.
- Ultraviolet A (UVA): A type of ultraviolet light used in PUVA therapy.
- Phototherapy: A treatment method that uses light to treat certain conditions.
- Skin lesion: A broad term that refers to any abnormality on the skin's surface.
See Also
External links
- Medical encyclopedia article on PUVA lentigines
- Wikipedia's article - PUVA lentigines
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