Search & Filter All Posts
All Articles
(12 Results)![AA Amyloidosis, glomerular crescent](https://www.arkanalabs.com/wp-content/uploads/2022/10/Renal-Review-HZ-432x288.png)
Case 2: A Crescentic Conundrum
The patient is a 75-year-old female with a history of hypertension who presents with acute kidney injury. Her serum creatinine…
![Disintegrating Capillary Loop](https://www.arkanalabs.com/wp-content/uploads/2022/05/Disintegrating-Capillary-Loop-432x288.jpg)
Disintegrating Capillary Loop Riddled with Microperformations
This acellular scanning EM shows disintegrating capillary loop riddled with microperformations in a patient with crescentic glomerulonephritis. Photo credits to…
![ANCA-associated vasculitis](https://www.arkanalabs.com/wp-content/uploads/2022/04/ANCA-associated-vasculitis-432x288.jpg)
Diagnose This (January 24, 2022)
In a patient with RPGN and this morphological finding on biopsy, what is the most likely diagnosis? …
![Linear GBM Poll](https://www.arkanalabs.com/wp-content/uploads/04/29/Screen-Shot-2021-04-29-at-4.44.59-PM-432x288.png)
Twitter Poll (April 28, 2021)
Answer: A, Linear GBM Anti-GBM disease is classically characterized by bright linear staining with IgG by immunofluorescence. By light…
![Anti-GBM disease, twitter poll, arkana laboratories](https://www.arkanalabs.com/wp-content/uploads/Twitter-Poll-Template-27-432x288.jpg)
Twitter Poll (December 11, 2019)
Answer: D, All of the Above Anti-GBM disease presents with rapidly progressive glomerulonephritis (GN) with or without pulmonary hemorrhage. On…
![Anti-GBM in renal biopsy at Arkana Laboratories](https://www.arkanalabs.com/wp-content/uploads/tp2.28-10-432x288.jpg)
Twitter Poll (August 22, 2018)
ANSWER: D Anti-GBM disease is a rare small vessel vasculitis that affects glomerular and pulmonary capillaries. The majority of patients…
![ANCA-Associated GN](https://www.arkanalabs.com/wp-content/uploads/tp02.21-432x288.jpg)
Twitter Poll (February 21, 2018)
ANSWER: D ANCA-associated GN and anti-GBM GN are the most common causes of pulmonary-renal syndrome accounting for about 90% of…
![Approximately 25-30% of the patients with anti-GBM crescentic glomerulonephritis are ANCA positive](https://www.arkanalabs.com/wp-content/uploads/tp02.01-432x288.jpg)
Twitter Poll (February 1, 2018)
ANSWER: C Approximately 25-30% of the patients with anti-GBM crescentic glomerulonephritis are ANCA positive, usually for MPO-ANCA.
![Anti-GBM Glomerulonephritis](https://www.arkanalabs.com/wp-content/uploads/tp11.08-1-432x288.jpg)
Twitter Poll (November 8, 2017)
ANSWER: B The characteristic immunofluorescence staining on Anti-GBM Glomerulonephritis is strong and linear IgG along glomerular basement membranes.
![anti GBM disease](https://www.arkanalabs.com/wp-content/uploads/Fig-1-copy-14-432x288.jpg)
Anti GBM Disease
This biopsy from an 80-year-old male with acute kidney injury shows glomeruli with frequent rupture of the capillary loops and…
![Anti-GBM (Anti-Glomerular Basement Membrane)](https://www.arkanalabs.com/wp-content/uploads/Fig-1_Cellular-crescent-432x288.jpg)
Anti-GBM
A 19-year-old Caucasian male patient presented with acute renal failure. Serum creatinine was 4.9 mg/dL and he had hematuria and…
![Anti-Glomerular Basement Membrane Disease](https://www.arkanalabs.com/wp-content/uploads/1-Cellular-crescent-1-432x288.jpg)
Pushing Glass (March 14, 2017)
The patient is a 61-year-old female who presents with hematuria and a creatinine of 6.23 mg/dL (baseline creatinine of 1.17…