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Collidescope Ep. 1 | What Happens when IgA Nephropathy and Fibrillary Glomerulopathy Collide?
What happens when two diseases occur at the same time? Does one influence the other? How is kidney function affected?…
![Hepatic Glomerulosclerosis](https://www.arkanalabs.com/wp-content/uploads/2023/01/22429-22-CNEM_003-432x288.jpg)
Diagnose This! (January 9, 2023)
This is the biopsy of a 45 yo with alcoholic cirrhosis, bacteremia, hematuria, proteinuria and AKI. IF shows IgA (3+),…
![illustration of a woman in a lab looking for IgA Nephropathy](https://www.arkanalabs.com/wp-content/uploads/2021/10/pathologist-432x288.png)
IgA Nephropathy
What is IgA nephropathy? IgA nephropathyis one of the most common causes of kidney disease. In IgA nephropathy, an abnormal…
![IgA Nephropathy in IBD Patients](https://www.arkanalabs.com/wp-content/uploads/04/10/pp-432x288.jpg)
Twitter Poll (April 9, 2020)
ANSWER: C In one of the largest cases series by Ambruz et al., IgA nephropathy (IgAN) was the most common…
![IgA Dominant Infection-Associated Glomerulonephritis, renal pathology](https://www.arkanalabs.com/wp-content/uploads/Figure-1-copy-5-432x288.jpg)
IgA Dominant Infection-Associated Glomerulonephritis
A 65-year-old male presents to the ER with a new onset rash and blood in his urine. The ER doc…
![paraffin immunofluorescence](https://www.arkanalabs.com/wp-content/uploads/s18-307-par-iga0002-copy-432x288.jpg)
Potential Diagnostic Pitfall of PIF Method
The paraffin immunofluorescence technique is simple to perform for renal pathology laboratories familiar with routine IF. It is important as…
![IgA Nephropathy](https://www.arkanalabs.com/wp-content/uploads/8-Mesangial-IgA-IF-copy-1-432x288.jpg)
Diagnose This! (January 8, 2018)
The immunofluorescence image shown is of IgA. What is the most likely diagnosis and clinical history? …
![Crescentic Glomerulonephritis with IgA Deposits](https://www.arkanalabs.com/wp-content/uploads/Fig-1-copy-432x288.jpg)
Crescentic Glomerulonephritis with IgA Deposits
This biopsy was taken from a 58-year-old male with no significant past medical history, who presents with gross hematuria, serum…
![MEST-C, IgA with Crescents](https://www.arkanalabs.com/wp-content/uploads/Fig-1_MEST-C-copy-1-432x288.jpg)
IgA with Crescents, MEST-C
This biopsy is from a young adult patient with IgA nephropathy (the immunofluorescence image in Fig. 2 shows 2+ mesangial…
![IgA nephropathy](https://www.arkanalabs.com/wp-content/uploads/Mesangial-IgA-Deposits-1-432x288.jpg)
Diagnose This! (October 23, 2017)
This IF image is from a 22 y/o Asian male with hematuria. What immunoreactant does it represent and what is…
![Acute Tubular Injury with Legionella](https://www.arkanalabs.com/wp-content/uploads/1-Tubular-Injury-copy-copy-1-432x288.jpg)
IgAN and Acute Tubular Injury with Legionella
Acute kidney injury in the setting of Legionella pneumonia. This biopsy is a middle-aged person with Legionella pneumonia who developed…
![IgA Nephropathy](https://www.arkanalabs.com/wp-content/uploads/Fig-1_IgA-nephropathy-copy-432x288.jpg)
IgA Nephropathy
Figure 1 shows a renal biopsy from a 29-year-old man with no significant past medical history, who was found to…