Browsing tag

glomerular disease

The organization is key

There are a number of glomerulopathies that feature organized deposits of nonbranching fibrils, some more common than others. The diseases make their first major separation into Congo Red positive (amyloid) and Congo Red negative categories. Amyloid fibrils are…

1846 3

Adult-Onset dense deposit disease

We recently saw a case of adult-onset dense deposit disease (DDD) at pathology conference. DDD is rare, affecting 1-3 per million people. For historical reasons it has been classified under the membranoproliferative subgroup of disease patterns (as type…

1436 0

Classification of Cryoglobulins and MPGN

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…

5818 0

Nail-Patella Syndrome

Too long have I seen the “Nail-Patella Syndrome” included in the differential diagnosis of renal disease without understanding anything about it…that ends today! The Nail Patella Syndrome (NPS), also referred to as Hereditary Onychoosteodysplasia, is an autosomal dominant…

1683 2

Lyme Nephritis??

I included two question marks in the title, since the existence of Lyme Nephritis remains controversial.  However, somebody presented a case of alleged Lyme Nephritis in a recent Renal Grand Rounds which was interesting. In brief, the case…

1383 0
Load more