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(11 Results)![Number of Nephrons in kindey biopsy](https://www.arkanalabs.com/wp-content/uploads/Twitter-Poll-Template-1-432x288.jpg)
Twitter Poll (November 15, 2018)
ANSWER: A The number of nephrons in the normal kidney is important because they may play a role in the…
![Ask-Upmark, normal renal biopsy, arkana laboratories](https://www.arkanalabs.com/wp-content/uploads/Fig-1_Ask-Upmark-copy-432x288.jpg)
Ask-Upmark
This kidney biopsy is from a 16-year-old boy with a history of chronic reflux nephropathy. Imaging findings showed unilateral segmental…
![Cholesterol Microemboli](https://www.arkanalabs.com/wp-content/uploads/Fig-1_cholesterol-emoboli-copy-432x288.jpg)
Cholesterol Microemboli
Cholesterol emboli involving the kidney may manifest clinically as acute kidney injury, hematuria, proteinuria (both non-nephrotic and nephrotic range), and…
![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…
![Thrombotic Microangiopathy](https://www.arkanalabs.com/wp-content/uploads/TMA_arteriole-copy-432x288.jpg)
Thrombotic Microangiopathy
The image (trichrome stain) shows the characteristic arteriolar lesion of acute thrombotic microangiopathy. Note the prominent mucoid intimal edema and…
![Diffuse Mesangial Hypercellularity](https://www.arkanalabs.com/wp-content/uploads/Figure-1-copy-432x288.jpg)
Diffuse Mesangial Hypercellularity
This biopsy is from a previously healthy 3 year old female, who presented with sudden onset nephrotic syndrome, hypertension and…
![Dense deposit disease](https://www.arkanalabs.com/wp-content/uploads/1.-Proliferative-glomerulonephritis-reminiscent-of-a-crescent-copy-432x288.jpg)
Pushing Glass (May 16, 2017)
A 15-year-old boy had a kidney biopsy because of the persistent nephrotic syndrome. His medical history is significant for resolved…
![](https://www.arkanalabs.com/wp-content/uploads/TBT-with-Dr.-Fred-Silva-432x288.jpg)
History of Hypertension
Do you recall when hypertension was treated by surgery? Listen to episode 4, as Dr. Silva gives a brief history…
![Arteriosclerosis](https://www.arkanalabs.com/wp-content/uploads/Arteriosclerosis-1-432x288.jpg)
Arteriosclerosis
A very common vascular histologic finding in patients with hypertensive nephrosclerosis is arteriosclerosis. In advanced lesions, such as this example,…
![Membranous-like Glomerulopathy with Masked IgG Kappa Deposits](https://www.arkanalabs.com/wp-content/uploads/1-Fibrous-crescent-1-432x288.jpg)
Pushing Glass (April 4, 2017)
The patient is a 30-year-old female who presents with nephrotic range proteinuria and a creatinine of 2.5. She has a…
![Cryoglobulinemic glomerulonephritis](https://www.arkanalabs.com/wp-content/uploads/Electron-microscopy-of-a-subendothelial-density-7-432x288.jpg)
Pushing Glass (March 22, 2017)
A 71-year-old woman with a history of multiple myeloma, hypertension and vitamin D deficiency presented with decreased renal function. Investigations…