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(29 Results)![Fibrillary Glomerulopathy, Diagnose This!, Arkana Laboratories, pathology, nephropathology, renal pathology](https://www.arkanalabs.com/wp-content/uploads/08/04/Fibrillary-IgG-432x288.jpg)
Diagnose This (August 3, 2020)
What is your leading diagnosis when seeing this interesting IgG staining pattern by IF? …
![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: MGRS
KDIGO offers some future directions for studying MGRS lesions.
![Monoclonal Gammopathies of Renal Significance](https://www.arkanalabs.com/wp-content/uploads/Myeloma-madness-copy-432x288.jpg)
Art of Medicine: Monoclonal Gammopathies of Renal Significance
Monoclonal Gammopathies of Renal Significance The above painting is of a bone marrow biopsy showing replacement of the hematopoietic elements…
![Type 1 Cryoglobulinemic Glomerulonephritis, arkana laboratories](https://www.arkanalabs.com/wp-content/uploads/Image-1-copy-3-432x288.jpg)
Type 1 Cryoglobulinemic Glomerulonephritis
The patient is a 75 year-old female who presents with proteinuria, a necrotic skin lesion on her lower extremity, and…
![Membranoproliferative GN, monoclonal gammopathy, arkana laboratories, twitter poll, renal pathology](https://www.arkanalabs.com/wp-content/uploads/Screen-Shot-2019-07-11-at-10.39.28-AM-432x288.png)
Twitter Poll (July 10, 2019)
Answer: True About 5-10% of the patients with monoclonal gammopathy and findings consistent with C3GN by standard IF (on frozen…
![Monoclonal Gammopathy of Renal Significance, arkana laboratories, disease week, renal pathology, kidney biopsy](https://www.arkanalabs.com/wp-content/uploads/Disease_Week_Banner_MGRS-432x288.jpg)
Disease Week: Monoclonal Gammopathy of Renal Significance
Disease Week: Monoclonal Gammopathy of Renal Significance Summary: Renal disease caused by parenchymal deposition of circulating monoclonal immunoglobulins (mIg)…
![Kappa Light Chain Cast Nephropathy, teaching point, Arkana Laboratories, renal pathology](https://www.arkanalabs.com/wp-content/uploads/Figure-1-copy-17-432x288.jpg)
Light Chain Cast Nephropathy
A 75-year-old female is found to have a creatinine of 4.0 mg/dL on a routine laboratory examination. At the hospital,…
![AL-Type Amyloidosis, teaching point, arkana laboratories, renal pathology, kidney biopsy](https://www.arkanalabs.com/wp-content/uploads/Figure-1-copy-10-432x288.jpg)
AL Amyloidosis
A 70 year-old female presents with nephrotic range proteinuria and a creatinine of 1.2. She was in her normal level…
![](https://www.arkanalabs.com/wp-content/uploads/Light-chain-proximal-tubulopathy-painting-copy-432x288.jpg)
Art of Medicine: Light Chain Proximal Tubulopathy
The painting above shows light chain proximal tubulopathy with crystals, which is one type of a monoclonal gammopathy of renal…
![PAS negative intratubular casts in renal biopsy at Arkana Laboratories](https://www.arkanalabs.com/wp-content/uploads/xx-copy-432x288.jpg)
Diagnose This (November 12, 2018)
What is your diagnosis and what do you need to prove it? …
![light chain deposition disease, pushing glass, arkana laboratories, kidney pathology](https://www.arkanalabs.com/wp-content/uploads/Low-power-trichrome-stain-copy-1-432x288.jpg)
Pushing Glass (June 22, 2018)
The patient is an 80 year-old male who presents with fatigue and a creatinine of 6.5 mg/dl. He was in…
![mild endocapillary hypercellularity with rare double contour formation of the capillary loops, Proliferative Glomerulonephritis with Monoclonal IgG Deposits](https://www.arkanalabs.com/wp-content/uploads/Fig-1-copy-39-432x288.jpg)
Proliferative Glomerulonephritis with Monoclonal IgG Deposits
This biopsy was performed on an 81-year-male, status post renal transplant, who presented with increased creatinine (2.3 mg/dl) and microscopic…
![Tubular Cast Tutorial](https://www.arkanalabs.com/wp-content/uploads/Light-chain-cast-nephropathy-432x288.jpg)
Tubular Cast Tutorial
There is a histopathologic spectrum to the casts that can be seen in light chain cast nephropathy. A portion of…
![Light Chain Proximal Tubulopathy](https://www.arkanalabs.com/wp-content/uploads/kappa-copy-432x288.jpg)
Light Chain Proximal Tubulopathy
Light chain proximal tubulopathy (LCPT) is a disease characterized by the renal biopsy finding of cytoplasmic light chain restriction within…