Search & Filter All Posts
All Articles
(75 Results)
Chronic Uric Acid Nephropathy
Chronic uric acid nephropathy results from deposition within the renal parenchyma of monosodium urate monohydrate. While the disease may occur…
Alport Syndrome
This biopsy from a 22-year-old Hispanic male with a history of hematuria, subnephrotic proteinuria, and chronic kidney disease shows essentially…
Diagnose This! (October 16, 2017)
What is your diagnosis? The photomicrograph shows a distended tubule with an intratubular crystalline cast with argyrophilia.…
Bile Cast Nephropathy
Bile cast nephropathy is one cause of acute or chronic kidney injury in patients with liver disease (especially obstructive cholestasis).…
Monoclonal Gammopathy of Renal Significance
The renal biopsy shown here has an MPGN pattern of injury by light microscopy. Routine immunofluorescence on the fresh (unfixed)…
Chronic Transplant Arteriopathy
This image shows an arterial cross-section with features of chronic transplant arteriopathy (a.k.a. sclerosing transplant vasculopathy and chronic allograft vasculopathy).…
Sjogrens
Sjgrens syndrome is an autoimmune disease involving primarily the lacrimal and salivary glands. However, up to 27% of patients will…
Chronic Active Tubulointerstitial Nephritis
Chronic tubulointerstitial nephritis in children may be secondary to a number of possible etiologies such as drug and other exogenous…
Malakoplakia
Learn about Malakoplakia An adult patient in the mid-fifties with a deceased donor renal transplant for three years (primary disease…
Hemosiderin
Renal hemosiderosis is a rare etiology of kidney injury that occurs secondary to diseases with chronic intravascular hemolysis. The most…
Megalocytic Interstitial Nephritis
This biopsy shows a chronic active interstitial nephritis with numerous interstitial foamy macrophages containing abundant PAS-positive cytoplasmic granules (Fig 1-3).…