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

Not Quite Nodular

This biopsy came from a 70-year-old gentleman with acute renal failure. He had a known history of diabetes, hypertension, and…

By Nidia Messias, MD
Membranous glomerulopathy
Teaching Points

IgG4 Membranous

First identified in the pancreas as autoimmune pancreatitis, the IgG4-related disease is now known to affect many organs and body…

IgG4-Related Tubulointerstitial Nephritis
Teaching Points

IgG4-Related Tubulointerstitial Nephritis

IgG4-related disease is a systemic inflammatory and sclerosing disorder which may affect a wide range of different organs including the…

IgG4-Related Disease
By L. Nich Cossey, MD
IgG4-Positive Plasma Cells
Teaching Points


Renal parenchyma with florid interstitial fibrosis with thick bands of sclerosis expanding the interstitium and pushing the tubules apart on…