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(159 Results)![NPHP1-related nephronophthisis](https://www.arkanalabs.com/wp-content/uploads/2022/09/background-1-432x288.png)
Diagnose This (September 19, 2022)
In a 26-year-old obese Black female with no significant PMH and elevated creatinine, what is your top diagnosis? …
![](https://www.arkanalabs.com/wp-content/uploads/2022/08/Figure-1-6-432x288.jpg)
Diagnose This (August 29, 2022)
In a patient with progressively rising serum creatinine and a history of CABG 2 months prior, what is your diagnosis?…
![Thrombotic microangiopathy](https://www.arkanalabs.com/wp-content/uploads/2022/08/Figure-1-5-432x288.jpg)
Diagnose This (August 22, 2022)
This is a 3 month post-transplant kidney biopsy from a patient with ESRD due to polycystic kidney disease. She recently…
![H&E stain showing numerous hematoxylin bodies](https://www.arkanalabs.com/wp-content/uploads/2022/08/hematoxylin-bodies-432x288.jpg)
Diagnose This (August 15, 2022)
What is this finding and what is the diagnosis? This is an H&E stain showing numerous hematoxylin bodies.…
![chronic antibody mediated rejection, peritubular capillary basement membrane multilayering](https://www.arkanalabs.com/wp-content/uploads/2022/08/Figure-1-1-432x288.jpg)
Diagnose This (August 8, 2022)
In a renal allograft, what is your diagnosis given these ultrastructural findings? The EM picture shows glomerular basement membrane…
![class IV lupus nephritis on IF stain](https://www.arkanalabs.com/wp-content/uploads/2022/08/background-432x288.jpg)
Diagnose This (August 2, 2022)
These are the C1q and C3 stains of the biopsy of a 13-year-old female with hematuria and proteinuria. Given these…
![toluidine blue section showing fabry disease](https://www.arkanalabs.com/wp-content/uploads/2022/07/fabry-432x288.jpg)
Diagnose This (July 25, 2022)
What is your diagnosis? This is a toluidine blue section showing numerous densely stained lipid inclusions in podocytes, some…
![Membranous Nephropathy](https://www.arkanalabs.com/wp-content/uploads/2022/07/C4d-2-432x288.jpg)
Diagnose This (July 4, 2022)
This is the C4d immunofluorescence from a 5 year post-transplant biopsy of an AA female who had ESRD due to…
![Endocapillary Hypercellularity B](https://www.arkanalabs.com/wp-content/uploads/2022/06/diagnose-this-432x288.jpg)
Daignose This (June 27, 2022)
In a patient who is an IV drug user and IF showing C3 only staining, what is your diagnosis? The…
![Cholesterol Arterial Emboli](https://www.arkanalabs.com/wp-content/uploads/2022/05/Figure-1-2-432x288.jpg)
Diagnose This (April 25, 2022)
This is an IgG IF viewed under both fluorescent and polarized light from a patient with AKI following endovascular procedure.…
![cmv pneumonia](https://www.arkanalabs.com/wp-content/uploads/2022/05/Figure-1-1-scaled-432x288.jpg)
Diagnose This (April 18, 2022)
This 32-year-old renal transplant recipient had AKI and pneumonia. A recent biopsy had shown borderline changes for TCMR and the…
![](https://www.arkanalabs.com/wp-content/uploads/2022/04/Figure-1-3-432x288.png)
Diagnose This (April 4, 2022)
This is the biopsy of a 62yo Hispanic female with hematuria and proteinuria. What is this stain and what is…
![Anticoagulant Nephropathy and Hemosiderosis](https://www.arkanalabs.com/wp-content/uploads/2022/04/Figure-1-7-432x288.jpg)
Diagnose This (March 28, 2022)
This is the biopsy of a patient with a mechanical heart valve and acute kidney injury, requiring hemodialysis. What is…
![Alport's Syndrome](https://www.arkanalabs.com/wp-content/uploads/2022/04/Figure-1-5-432x288.jpg)
Diagnose This (March 21, 2022)
In a 23 year-old male with proteinuria, hematuria and CKD, what is your diagnosis? …
![collapsing glomerulopathy](https://www.arkanalabs.com/wp-content/uploads/2022/04/Collapsing-Lesion-432x288.jpg)
Diagnose This (March 14, 2022)
This is the biopsy from a 41yo Middle Eastern female who received a renal transplant a few years prior and…