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"Bilateral medullar nephrocalcinosis"...?

I just discovered through an ultrasound that it is *not* kidney stones that has been causing my pain for 3 weeks, but bilateral medullar nephrocalcinosis. My primary care physician is working on a referral to a nephrologist, as we live in a very remote area & no specialists work here. It may be weeks before I can see a specialist. Is there any home care that you could advise, between now & when I see a nephrologist to discover the actually *cause* of the nephrocalcinosis? And what are warning signs that I should go directly to the hospital (i.e. renal failure)?
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replied March 18th, 2014
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hi there
the different causes for medullary nephrocalcinosis are:

Medullary sponge kidney
Hyperparathyroidism
Hypoparathyroidism[4]
Renal tubular acidosis (specifically distal RTA)
Renal tuberculosis
Renal papillary necrosis
Hyperoxaluria
And other causes of hypercalcemia (and thus hypercalciuria)
Immobilization (leading to hypercalcemia and hypercalciuria)
Milk-alkali syndrome
Hypervitaminosis D
Sarcoidosis

Diagnosis
Laboratory studies that may be useful include the following:

Serum calcium, phosphate, and albumin levels
Blood urea nitrogen (BUN) and serum creatinine levels
Estimated glomerular filtration rate (eGFR)
Serum potassium concentration
Urinalysis and urine culture
Assessment of 24-hour urinary excretion of calcium, oxalate, citrate, and uric acid
Urinary magnesium levels
Parathyroid hormone and thyroid-stimulating hormone levels

Imaging studies that may be considered include the following:

Radiography (eg, kidney-ureter-bladder [KUB])
Ultrasonography (more sensitive than conventional radiography)
Computed tomography (CT; more effective in detecting calcification)

Adequate hydration(the single most effective measure for reversing hypercalcemia and protecting the kidneys)
Thiazide diuretics (eg, hydrochlorothiazide)
Dietary salt restriction
Potassium and magnesium supplementation
Citrate supplementation (preferably as potassium citrate)
High-dose pyridoxine

regards
thanks for using ehealth forum
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