Xanthosis
Xanthosis
Xanthosis (/zænˈθoʊsɪs/) is a medical condition characterized by yellowish discoloration of the skin, often associated with certain diseases or conditions.
Etymology
The term "Xanthosis" is derived from the Greek word "xanthos", meaning yellow.
Definition
Xanthosis is a pathological condition where the skin or mucous membranes turn yellow. This can be due to the deposition of certain substances in the tissues, such as lipofuscin, or due to an increase in the concentration of bilirubin in the blood, as seen in jaundice.
Related Terms
- Jaundice: A condition characterized by yellowing of the skin and the whites of the eyes due to an excess of bilirubin in the blood.
- Lipofuscin: A yellow-brown pigment found in the liver, kidney, heart muscle, retina, adrenals, nerve cells, and ganglion cells. It is considered to be a product of cellular wear and tear.
- Bilirubin: A yellow compound that occurs in the normal catabolic pathway that leads to the breakdown of heme in vertebrates.
Causes
Xanthosis can be caused by a variety of conditions, including liver disease, gallbladder disease, and certain types of cancer. It can also be caused by certain medications or substances, such as phenols, which can cause a yellow discoloration of the skin when applied topically.
Treatment
Treatment for xanthosis typically involves addressing the underlying cause of the condition. This may involve medication, surgery, or other treatments, depending on the specific cause.
External links
- Medical encyclopedia article on Xanthosis
- Wikipedia's article - Xanthosis
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