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(10 Results)![NCAM1, Membranous Nephropathy, Lipoic Acid in NELL1-Associated Membranous Nephropathy, SARS-CoV-2, biopsy, TGFBR3, crystalline nephropathies, Renal Intratubular Casts, viral-like inclusions, Covid-19, Anti-Brush Border Antibody Disease, MGMID, renal pathology, kidney research](https://www.arkanalabs.com/wp-content/uploads/2022/04/Arkana-final-yellow-blue-text-scaled-432x288.jpg)
A Diagnostician’s Field Guide To Crystalline Nephropathies
This discussion focuses on a review article of crystals seen in renal biopsies. Crystalline nephropathies are often associated with systemic…
![Adenine phosphoribosyltransferase (APRT), Twitter Poll, Arkana Laboratories](https://www.arkanalabs.com/wp-content/uploads/twitter-poll-slkfjlskjf-432x288.jpg)
Twitter Poll (February 5, 2020)
ANSWER: D, All of the Above 2,8-dihydroxyadeninuria (DHA) disease is a rare autosomal recessive disorder caused by complete adenine phosphoribosyltransferase…
![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…
![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…
![2,8 DHA Crystalline Nephropathy](https://www.arkanalabs.com/wp-content/uploads/2-8-DHA-432x288.jpg)
2,8 DHA Crystalline Nephropathy
The renal biopsy shown here has crystals present within the tubular lumens and cytoplasm with a brownish appearance by H&E…
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…
![Calcium Phosphate Deposits](https://www.arkanalabs.com/wp-content/uploads/Fig-1-copy-25-432x288.jpg)
Calcium Phosphate Deposits
Calcium phosphate deposits Calcium phosphate deposits within the kidney may be seen in the setting of hypercalcemia/ hypercalciuria or hyperphosphatemia/…
![adenine phosphoribosyltransferase](https://www.arkanalabs.com/wp-content/uploads/Silver-positive-crystals-copy-432x288.jpg)
Diagnose This! (October 16, 2017)
What is your diagnosis? The photomicrograph shows a distended tubule with an intratubular crystalline cast with argyrophilia.…
![(2,8-DHA) 2,8-dihydroxyadenine](https://www.arkanalabs.com/wp-content/uploads/2-8-DHA-copy-432x288.jpg)
2,8-Dihydroxyadenuria
Adenine phosphoribosyltransferase (APRT) deficiency results from an autosomal recessive enzyme defect of purine metabolism and leads to 2,8-dihydroxyadenine (2,8-DHA) crystalline…