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ANCA-mediated glomerulonephritis, arkana laboratories, renal pathology, kidney biopsy
Diagnose This!

Diagnose This (June 24, 2019)

Immunofluorescence shows C3 (2-3+), IgM (1+), kappa (trace) and lambda (trace). What is your diagnosis?   …

By L. Nich Cossey, MD
ANCA Disease, LECT2 Amyloid, IgG4-Related Disease, AL amyloidosis, ANCA, digging deeper, Dr. Messias, Arkana Laboratories, pathology diseases
Digging Deeper

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…

By Nidia Messias, MD
ANCA-Mediated Vasculitis
Diagnose This!

Diagnose This (August 20, 2018)

What is your presumed diagnosis in the absence of immunofluorescence and electron microscopy? …

By L. Nich Cossey, MD

Levamisole/Cocaine DAV
Twitter Poll

Twitter Poll (December 6, 2017)

ANSWER: A Dual positivity for MPO and PR3 antibodies is a strong clue for levamisole/cocaine DAV.

By Vanessa Moreno, MD