Renal pathology

#PathPointer: Granulomatous Interstitial Nephritis in the Allograft Biopsy

August 7, 2019 // 0 Comments

Granulomatous inflammation in the allograft biopsy is an unusual finding that most often manifests as granulomatous interstitial nephritis (GIN). Interstitial inflammation in [...]

#PathPointer: Crescents – A Spectrum of Diseases

July 18, 2019 // 0 Comments

PathPointers highlight important everyday teaching points when reviewing kidney histology. These brief and easy-to-read blog posts include real clinical images to demonstrate [...]

Oxalate Nephropathy Associated with Jejunoileal Bypass: Recurrence After Transplantation

May 13, 2019 // 0 Comments

A 50-year-old white woman with diabetes, hypertension, and morbid obesity underwent gastric bypass. The surgery helped the patient to reduce weight but progressive renal [...]

Type 2 Cryoglobulinemia – When Polytypic Staining Can Mean Monoclonal Renal Disease

April 22, 2019 // 0 Comments

A variety of renal diseases have been described in association with monoclonal gammopathy. Most of these diseases result from the deposition of a monoclonal immunoglobulin [...]

#PathPointer: Tram-Tracking in a Transplant

January 30, 2019 // 0 Comments

The aesthetic qualities of a good Jones silver stain are underrated. The black linear pattern contrasting against the colors of the counterstained tissue evokes the lead [...]

Whence and Whither Mesangial Nodules?

September 26, 2018 // 0 Comments

When evaluating kidney biopsies, the identification of glomeruli with expanded, rounded mesangial areas with a nodular appearance usually indicates diabetic nephropathy. This [...]

#PathPointer: Congo Red-Positive Always Means Amyloid Deposits, Right?

July 26, 2018 // 1 Comment

Amyloidosis, fibrillary glomerulonephritis (FGN), and immunotactoid glomerulopathy (ITG) are all characterized by renal deposits with an organized substructure under high [...]