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Twitter Poll, Deficiency of adenine phosphoribosyltransferase , APRT, Arkana Laboratories
Twitter Poll

Twitter Poll (July 8, 2020)

ANSWER: D Renal oxalosis is a progressive tubulointerstitial disease which can be primary or secondary in nature. Specifically, secondary causes…

Renal Oxalosis, arkana laboratories, renal pathology, kidney biopsy, Diagnose This
Diagnose This!

Diagnose This (July 1, 2019)

What is your diagnosis?   …

By L. Nich Cossey, MD
stained calcium deposits
Teaching Points

Bile Stained Calcium Oxalate Crystals

A renal biopsy was performed on this 75-year-old female who presented with acute liver failure, jaundice and acute renal failure…

Teaching Points

Oxalate Due to Vitamin C

  A 51-year-old female with a history of SLE was found to have acute renal failure. There was no evidence…

Randall’s plaques
Teaching Points

Randall’s Plaques

Randalls plaques are microscopic calcium phosphate deposits in the basement membranes of the thin loops of Henle. These plaques act…

Oxalate Nephropathy
Teaching Points

Oxalate Nephropathy

This biopsy is from a patient with metabolic acidosis, a CPK of 8000 mg/dl a creatinine of 22 mg/dl on…

Patrick D. Walker, MD renal pathologist at arkana laboratories
By Patrick D. Walker, MD

Oxalate Nephropathy
Teaching Points

Oxalate Nephropathy

H&E stained section (Fig. 1) demonstrating acute tubular injury with frequent translucent intratubular crystalline deposits on a background of severe…