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Twitter Poll (November 25, 2020)
Answer: B Ethylene glycol toxicity due to oral ingestion classically shows acute tubular injury characterized by epithelial simplification, loss of…
Unresolved Etiologies: When the Clinical Acumen Takes Place
Dr. Silva comments on several diagnostic dilemmas where the pathology pattern leads to a plethora of possibilities.
KDIGO Connections: Contrast Induced AKI
Management guidelines and “contrasting” opinion regarding contrast-associated acute kidney injury (AKI).
Hemosiderosis
An 80-year-old white male presents with a creatinine of 4.2 (baseline 1.1) on routine lab examination. His medical history is…
Renal Oxalosis
A 25-year-old female presents to the hospital with malaise and a creatinine of 3.5. She reports that she was in…
Step By Step
The biopsy is from a 65 year-old female who presented with acute renal failure and elevated creatinine up to 1.9…
Diagnose This (November 19, 2018)
What is your diagnosis? What additional stains would you like to confirm your diagnosis? …
Twitter Poll (September 26, 2018)
ANSWER: D Halls stain is used to confirm the presence of bile casts. This technique uses the oxidizing action of…
Diagnose This (July 16, 2018)
What is your diagnosis in this native kidney biopsy? And for bonus points, what do you suspect is the underlying…
Hemoglobin Casts
This 58-year-old African American male without significant past medical history presents with fatigue and weakness. During workup, he was found…
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…
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…
Nephrocalcinosis in Sarcoid
The renal biopsy in these photomicrographs shows tubular injury with increased interstitial calcium phosphate deposition. Focal interstitial calcium phosphate can…