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A xanthoma (pl. xanthomas or xanthomata) (condition: xanthomatosis) is a deposition of yellowish cholesterol-rich material that can appear anywhere in the body in various disease states. [2] They are cutaneous manifestations of lipidosis in which lipids accumulate in large foam cells within the skin. [ 2 ]
In individuals with cerebrotendinous xanthomatosis, xanthomas frequently develop in the second or third decade of life, while they can occasionally not develop. They usually originate on the Achilles tendons , although they have also been discovered in the lungs, bones, and central nervous system , as well as on the extensor tendons of the ...
The Achilles tendon is also known as the "tendo calcaneus" (Latin for "calcaneal tendon"). [9] Because eponyms (names relating to people) have no relationship to the subject matter, most anatomical eponyms also have scientifically descriptive terms. The term calcaneal comes from the Latin calcaneum, meaning heel.
Xanthomas may appear at any age, even in childhood. These may be present as subcutaneous xanthomas on the buttocks in children or in characteristic locations (e.g., Achilles tendon, extensor tendons of the hand) in children and adults. Xanthelasma and corneal arcus are less common.
Xanthelasma in the form of XP can be diagnosed from clinical impression, although in some cases it may need to be distinguished (differential diagnosis) from other conditions, especially necrobiotic xanthogranuloma, syringoma, palpebral sarcoidosis, sebaceous hyperplasia, Erdheim–Chester disease, lipoid proteinosis (Urbach–Wiethe disease), and the syndrome of adult-onset asthma and ...
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High cholesterol levels normally do not cause any symptoms. Yellow deposits of cholesterol-rich fat may be seen in various places on the body such as around the eyelids (known as xanthelasma palpebrarum), the outer margin of the iris (known as arcus senilis corneae), and in the tendons of the hands, elbows, knees, and feet, particularly the Achilles tendon (known as a tendon xanthoma).
Today's Strands game revolves around names with a double meaning. NYT Strands Spangram Hint: Is it Vertical or Horizontal? Today's spangram is vertical (bottom to top).