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(6 Results)![](https://www.arkanalabs.com/wp-content/uploads/2023/05/518Neuronotes-432x288.jpg)
Weakness and Paresthesia
Clinical History: This 52-year-old patient presented with increased weakness and mildly painful paresthesias. Imaging showed hilar adenopathy and a rheumatology…
![vasculitis (“vasculitic myopathy”)](https://www.arkanalabs.com/wp-content/uploads/2022/08/1-432x288.jpg)
Vasculitic Myopathy
This 50-year-old patient presented with fever and bilateral leg myalgias. Laboratory studies showed elevated ESR (120) and normal CPK. On…
![Microfascicles](https://www.arkanalabs.com/wp-content/uploads/2022/04/Figure-1-scaled-3-432x288.jpg)
Toluidine Blue Stained Thick Section
This 75-year-old patient presented with complaints of numbness, tingling and burning sensation involving his right lower extremity below the level…
![glomerulus showing a fibrocellular crescent](https://www.arkanalabs.com/wp-content/uploads/07/27/13-copy-432x288.jpg)
Glomerulus Showing Fibrocellular Crescent
Todays eyeSCANdy image shows acellular scanning EM with a glomerulus showing a fibrocellular crescent (bottom). Photo credits to Dr. Stephen…
![ANCA Disease, LECT2 Amyloid, IgG4-Related Disease, AL amyloidosis, ANCA, digging deeper, Dr. Messias, Arkana Laboratories, pathology diseases](https://www.arkanalabs.com/wp-content/uploads/DiggingDeeper-432x288.jpg)
Digging Deeper – Here, There, and Everywhere
This biopsy came from an elderly gentleman in his 80s, who presented with acute renal failure. His serum creatinine had…
![ANCA-Mediated Vasculitis](https://www.arkanalabs.com/wp-content/uploads/xx31-copy-432x288.jpg)
Diagnose This (August 20, 2018)
What is your presumed diagnosis in the absence of immunofluorescence and electron microscopy? …