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(18 Results)![Arkana Laboratories, renal pathology, Membranous Nephropathy](https://www.arkanalabs.com/wp-content/uploads/Image-1-copy-5-432x288.jpg)
Resolving Membranous Nephropathy
A 40-year-old white male presents with 3 grams/24 hr of proteinuria and swelling around his ankles. He reports that he…
![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…
KDIGO Connections: Membranous Glomerulopathy
Welcome to the first post in our new series KDIGO Connections, a series in which we are asking our nephrologist…
![Infection-Associated Glomerulonephritis in renal biopsy](https://www.arkanalabs.com/wp-content/uploads/Fig-1_Infection-associated-GN-copy-432x288.jpg)
Infection-Associated Glomerulonephritis
This biopsy is taken from a 39-year-old woman who presents with abdominal pain, ascites, and lower extremity edema. Her serum…
![type 1 cryoglobulinemia, renal biopsy, kidney disease, arkana laboratories, pushing glass](https://www.arkanalabs.com/wp-content/uploads/Glomerulus-picture-1-copy-432x288.jpg)
Pushing Glass (September 7, 2018)
The patient is a 75-year-old female who presents with proteinuria and a creatinine of 2.50. She has chronic lymphocytic leukemia,…
![Monoclonal Gammopathy of Renal Significance](https://www.arkanalabs.com/wp-content/uploads/x3-copy-1-432x288.jpg)
Diagnose This! (August 6, 2018)
What is your diagnosis? This is a complicated case. The photomicrographs show a membranoproliferative pattern glomerulonephritis (MPGN) with IgG Lambda…
![severe mesangial matrix expansion with frequent large nodule formation, Diabetic Glomerulosclerosis](https://www.arkanalabs.com/wp-content/uploads/Fig-1-copy-54-432x288.jpg)
Diabetic Glomerulosclerosis with Superimposed Diseases
Diabetic glomerulosclerosis is one of the most common causes of nephrotic range proteinuria in adults. When the clinical course of…
![Membranous Glomerulopathy](https://www.arkanalabs.com/wp-content/uploads/IF-copy-432x288.jpg)
Diagnose This (June 25, 2018)
What immunofluorescence stain is shown here, what is the immune complex deposition pattern and what disease does it represent? …
![Membranous with FSGS](https://www.arkanalabs.com/wp-content/uploads/Membranous-with-FSGS-432x288.jpg)
Membranous with FSGS
Some patients with membranous glomerulopathy also have associated focal segmental glomerulosclerosis (FSGS) lesions. The glomerulus in this biopsy image, for…
![](https://www.arkanalabs.com/wp-content/uploads/03183-18-0003-copy-432x288.jpg)
Diagnose This (March 26, 2018)
In the setting of weak C3 (1-2+) only staining by routine immunofluorescence, what is your diagnosis? …
![Vascular Staining in Membranous](https://www.arkanalabs.com/wp-content/uploads/Fig-1_vascular-staining-in-membranous-copy-1-432x288.jpg)
Vascular Staining in Membranous
This immunofluorescence (IF) image shows extensive granular glomerular capillary wall IgG deposits, consistent with membranous glomerulopathy. The glomerular staining pattern…
![Fibrillary Glomerulopathy](https://www.arkanalabs.com/wp-content/uploads/1.-HE-stain-showing-eosinophilic-material-in-the-glomerulus-copy-1-432x288.jpg)
Pushing Glass (August 8, 2017)
A 69-year-old man with past medical history of hypertension presents with nephrotic syndrome and 7 gm/day proteinuria. Serological studies are…