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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…
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…
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…
Teaching Points
IgG4
Renal parenchyma with florid interstitial fibrosis with thick bands of sclerosis expanding the interstitium and pushing the tubules apart on…