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Xanthoma tendinosum (also tendon xanthoma or tendinous xanthoma [5]) is clinically characterized by papules and nodules found in the tendons of the hands, feet, and heel. [ 2 ] : 531 Also associated with familial hypercholesterolemia (FH).
Xanthomas, typically developing in the second or third decade of life, can originate on various tendons. The CYP27A1 gene, responsible for bile acid production, is mutated, reducing chenodeoxycholic acid and cholic acid, leading to increased synthesis of 7α-hydroxy-4-cholesten-3-one, precursor to cholestanol.
The tendon spreads out somewhat at its lower end so that its narrowest part is about 4 cm (1.6 in) above its insertion. [11] The tendon is covered by the fascia and skin, and stands out prominently behind the bone; the gap is filled up with areolar and adipose tissue. A bursa lies between the tendon and the upper part of the calcaneus. It is ...
Known as xanthomas, these are yellowish, waxy-looking bumps made up of fats. They can appear anywhere on your body, but especially on your eyelids, palms, and tendons. Xanthomas are a sign of high ...
Known as xanthomas, these are yellowish, waxy-looking bumps made up of fats. They can appear anywhere on your body, but especially on your eyelids, palms, and tendons. Xanthomas are a sign of high ...
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 ...
Sitosterolemia (also known as phytosterolemia) is a rare autosomal recessively inherited lipid metabolic disorder characterized by the presence of tendon xanthomas, premature coronary artery disease and atherosclerotic disease, hemolytic episodes, arthralgias and arthritis.