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Currently filtering by tag: Oxalosis

Twitter Poll (July 8, 2020)

Twitter Poll, Deficiency of adenine phosphoribosyltransferase , APRT, Arkana Laboratories
ANSWER: D Renal oxalosis is a progressive tubulointerstitial disease which can be primary or secondary in nature. Specifically, secondary causes can be due to increased ingestion or absorption of sources of oxalate, decreased excretion, and certain vitamin imbalances. Oxalosis secondary to ingestion can occur with ingestion of oxalate containing foods such as rhubarb, spinach, peanuts, tea, starfruit, and ethylene glycol poisoning, among others. Increased absorption of oxalate containing substances occurs in maladaptive states such as after gastric/intestinal bypass surgery, prolonged antibiotic use, Crohn's disease, pancreatic insufficiency, and in short bowel syndrome. Other causes of oxalosis would include hypervitaminosis C, vitamin...

Oxalate Nephropathy

This biopsy is from a patient with metabolic acidosis, a CPK of 8000 mg/dl a creatinine of 22 mg/dl on admission. The H&E stained section shows birefrigent bluish crystals consistent with calcium oxalate crystals on a background of acute tubular injury. The extensive number of intratubular crystals associated with acute tubular injury support renal oxalosis as the cause of the renal failure. (H&E with polarized light, 200x)