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renal medullary washout

Etiology: - hypercalcemia - thyrotoxicosis - long-standing polyuria Pathology: - increased medullary blood flow dminishes medullary interstitial gradient Laboratory: - decreased urine osmolality - serum calcium - thyroid function tests

General

kidney disease; renal disease metabolic disease

References

  1. Urine concentrating ability https://ahdc.vet.cornell.edu/sects/ClinPath/modules/ua-rout/usg.htm