Lichen nitidus
Lichen Nitidus
Lichen nitidus (pronounced: /ˈlaɪkən naɪˈtɪdəs/) is a rare, chronic skin condition characterized by tiny, flesh-colored, shiny bumps. The etymology of the term is derived from the Latin word "Lichen", meaning tree moss, and "nitidus", meaning shiny, referring to the appearance of the skin lesions.
Symptoms
The primary symptom of lichen nitidus is the presence of small, shiny bumps on the skin. These bumps are typically the same color as the skin or slightly darker. They are usually found on the arms, legs, torso, and in some cases, the genitals. The bumps are generally asymptomatic, but may occasionally cause mild itching.
Causes
The exact cause of lichen nitidus is unknown. However, it is believed to be an autoimmune disorder, where the body's immune system attacks its own skin cells. It is not contagious and does not spread from person to person.
Diagnosis
Diagnosis of lichen nitidus is typically made through a physical examination of the skin. In some cases, a skin biopsy may be performed to confirm the diagnosis.
Treatment
There is no cure for lichen nitidus, and treatment is usually not necessary as the condition often resolves on its own. However, if the bumps are causing discomfort or cosmetic concerns, treatments such as topical corticosteroids, light therapy, or retinoids may be used.
Related Terms
- Dermatology: The branch of medicine dealing with the skin and its diseases.
- Autoimmune disorder: A condition in which the body's immune system attacks its own cells.
- Corticosteroids: A class of drugs used to reduce inflammation in the body.
- Retinoids: A class of chemical compounds that are vitamers of vitamin A or are chemically related to it.
External links
- Medical encyclopedia article on Lichen nitidus
- Wikipedia's article - Lichen nitidus
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