Monoclonal gammopathies generally arise from the development of an abnormal clone of B-cell lineage. The monoclonal protein can be intact immunoglogulin (often associated with free light chain), free light chain (FLC) in isolation, or more rarely immunoglobulin heavy…
At this year’s ASN Kidney Week in Philadelphia Andrey Shaw, MD, presented the inaugural Michelle P Winn Endowed Lectureship. Dr Shaw was not only a longtime collaborator of Michelle’s but also a very close personal friend making him…
I recently evaluated a young patient for kidney transplant who had been diagnosed at age 13 with MPGN III. He had a slow reacting C3NeF, low C3, normal C4, low terminal complement levels, and by biopsy had paramesangial…
Everyone has a certain diagnosis in Nephrology that is just hard to understand. For me, it has been the diagnosis of MPGN (membranoproliferative glomerulonephritis). After extensive reading, I have developed a couple of pearls and interesting points that…
Cryoglobulinemia is characterized by the presence of circulating antibodies which precipitate at cooler temperatures, and not infrequently leads to renal failure/glomerulonephritis. The stereotypical histologic lesion of cryoglobulinemia is membranoproliferative glomerulonephritis, which takes the appearance on light microscopy of…
The classical teaching about Dense Deposit Disease (DDD) usually begins with its classification as type II Membranoproliferative Disease. However, in the most recent edition of the NephSAP “Glomerular, Vascular, and Tubulointerstitial Diseases” module, the case is made that…
