Search & Filter All Posts
All Articles
(30 Results)![twitter poll, calcium oxalate, renal pathology, arkana laboratories](https://www.arkanalabs.com/wp-content/uploads/11/27/Screen-Shot-2020-11-27-at-8.04.18-AM-432x288.png)
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, Throwback Thursday, Dr. Fred Silva, Arkana Laboratories](https://www.arkanalabs.com/wp-content/uploads/07/23/TBT-with-Dr.-Fred-Silva-432x288.jpg)
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).
![renal hemosiderosis, arkana laboratories, teaching point, renal pathology](https://www.arkanalabs.com/wp-content/uploads/Figure-1-copy-11-432x288.jpg)
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, arkana laboratories, teaching point at arkana Laboratories, renal pathology](https://www.arkanalabs.com/wp-content/uploads/Figure-1-copy-8-432x288.jpg)
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…
![ANCA Disease, LECT2 Amyloid, IgG4-Related Disease, AL amyloidosis, ANCA, digging deeper, Dr. Messias, Arkana Laboratories, pathology diseases](https://www.arkanalabs.com/wp-content/uploads/DiggingDeeper-432x288.jpg)
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…
![Rhabdomyolysis in kidney biopsy at Arkana Laboratories](https://www.arkanalabs.com/wp-content/uploads/xx7-copy-432x288.jpg)
Diagnose This (November 19, 2018)
What is your diagnosis? What additional stains would you like to confirm your diagnosis? …
![Hall's stain, bile casts](https://www.arkanalabs.com/wp-content/uploads/tp2.28-13-432x288.jpg)
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…
![Acute Tubular Necrosis](https://www.arkanalabs.com/wp-content/uploads/1-copy-1-432x288.jpg)
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…
![Intravascular Hemolysis](https://www.arkanalabs.com/wp-content/uploads/Fig-1-copy-53-432x288.jpg)
Hemoglobin Casts
This 58-year-old African American male without significant past medical history presents with fatigue and weakness. During workup, he was found…
![stained calcium deposits](https://www.arkanalabs.com/wp-content/uploads/Fig-1-copy-49-432x288.jpg)
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, renal cortex](https://www.arkanalabs.com/wp-content/uploads/2460-01-432x288.jpg)
Nephrocalcinosis in Sarcoid
The renal biopsy in these photomicrographs shows tubular injury with increased interstitial calcium phosphate deposition. Focal interstitial calcium phosphate can…