Lichen myxedematosus
Lichen Myxedematosus
Lichen Myxedematosus (pronunciation: /ˈlaɪkən maɪksɪdɪˈmeɪtəsəs/), also known as Papular Mucinosis or Scleromyxedema, is a rare skin disorder characterized by the accumulation of mucin in the skin.
Etymology
The term "Lichen Myxedematosus" is derived from three words: "Lichen" (from the Greek λειχήν meaning "tree moss"), "Myxedema" (from the Greek μύξα meaning "mucus" and οἴδημα meaning "swelling"), and "tous" (from the Latin -osus meaning "full of"). The term thus refers to a skin condition that is full of mucus-like swelling, resembling tree moss.
Symptoms
The primary symptom of Lichen Myxedematosus is the presence of small, firm, waxy papules on the skin. These papules are often skin-colored or slightly reddish and are typically found on the face, neck, and upper body. Other symptoms may include thickening of the skin, difficulty moving joints, and in severe cases, systemic symptoms such as muscle weakness and difficulty swallowing.
Causes
The exact cause of Lichen Myxedematosus is unknown. However, it is believed to be related to an abnormal immune response, possibly triggered by an infection or other external factor. Some studies suggest a possible association with Monoclonal Gammopathy, but this link is not yet fully understood.
Treatment
Treatment for Lichen Myxedematosus typically involves managing the symptoms and may include topical corticosteroids, systemic corticosteroids, or other immunosuppressive drugs. In severe cases, plasmapheresis or intravenous immunoglobulin therapy may be used.
Related Terms
- Dermatology: The branch of medicine dealing with the skin and its diseases.
- Mucin: A type of protein that is often found in mucus and other bodily secretions.
- Papule: A small, raised bump on the skin.
- Monoclonal Gammopathy: A condition characterized by the presence of an abnormal protein in the blood, produced by a single clone of plasma cells.
External links
- Medical encyclopedia article on Lichen myxedematosus
- Wikipedia's article - Lichen myxedematosus
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