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Medullary nephrocalcinosis

Renal medullary nephrocalcinosis refers to deposition of calcium salts in the medulla of the kidney. Due to the concentrating effects of the loops of Henle, and the biochemical millieux of the medulla, compared to the cortex, it is 20 times more common than cortical nephrocalcinosis. Often (and by no means surprisingly) the same entities are also liable to lead to nephrolithiasis (renal calculi). Causes include 1-2:

See also

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