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Diagnose This! (February 13, 2017)

Please pick the best answer. These images show characteristic findings of which of the following diseases: A) IgG4-Related Disease B) Lupus Nephritis C) Sjögren’s Syndrome-Related Tubulointerstitial Injury D) Anti-Brush Border Antibody Tubulointerstitial Nephritis E) Aristolochic Acid Nephropathy F) Mesoamerican Nephropathy Answer: D. Immune complex tubulointerstitial nephritis due to autoantibodies to the proximal tubule brush border is a recently described entity arising from IgG autoantibodies targeting the proximal tubule brush border. Associated immune complex deposits were also reported within the proximal tubule basement membranes and focal, segmental subepithelial space, reminiscent of early membranous glomerulopathy. Further reading:

Arkanines: Daisy

Arkanines: Daisy photo, Arkana Laboratories
Hooray for naps. Daisy is one of our cutest Arkanines. She enjoys being social at the dog park, and of course, napping. Daisy belongs to Denise, who leads our marketing team.

Arkana Artwork

More work from some of the talented friends of Arkana. These pieces were painted by a local artist, Tim Jacob. You can find more of his work at