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The most common cause of osteomalacia is a deficiency of vitamin D, which is normally derived from sunlight exposure and, to a lesser extent, from the diet. [10] The most specific screening test for vitamin D deficiency in otherwise healthy individuals is a serum 25(OH)D level. [11]
X-linked hypophosphatemia (XLH) is an X-linked dominant form of rickets (or osteomalacia) that differs from most cases of dietary deficiency rickets in that vitamin D supplementation does not cure it. It can cause bone deformity including short stature and genu varum (bow-leggedness).
Mapping of several bone diseases onto levels of vitamin D (calcidiol) in the blood [6] Normal bone vs. osteoporosis. Vitamin D deficiency is typically diagnosed by measuring the concentration of the 25-hydroxyvitamin D in the blood, which is the most accurate measure of stores of vitamin D in the body.
Metabolic bone disease is an abnormality of bones caused by a broad spectrum of disorders. Most commonly these disorders are caused by deficiencies of minerals such as calcium, phosphorus, magnesium or vitamin D leading to dramatic clinical disorders that are commonly reversible once the underlying defect has been treated.
Maternal deficiencies may be the cause of overt bone disease from before birth and impairment of bone quality after birth. [20] [21] The primary cause of congenital rickets is vitamin D deficiency in the mother's blood. [21] Vitamin D ensures that serum phosphate and calcium levels are sufficient to facilitate the mineralization of bone. [22]
This condition can be caused by vitamin D, calcium or phosphorus deficiency. [86] Vitamin D deficiency remains the main cause of rickets among young infants in most countries because breast milk is low in vitamin D, and darker skin, social customs, and climatic conditions can contribute to inadequate sun exposure.
“Primitive markings” are being reported on some wild horses roaming North Carolina’s Outer Banks, and the cause can’t be easily explained.. It may be a rare genetic trait shared by one of ...
Malabsorption – This includes gastrointestinal damage, and also failure to absorb phosphate due to lack of vitamin D, or chronic use of phosphate binders such as sucralfate, aluminum-containing antacids, and (more rarely) calcium-containing antacids. [citation needed] Intravenous iron (usually for anemia) may cause hypophosphatemia.