Waldenström's macroglobulinemia associated with amyloidosis and crescentic glomerulonephritis.

An unusual case of Waldenström's macroglobulinemia associated with amyloidosis and crescentic glomerulonephritis is described. At autopsy, crescent formation was present in 80% of the glomeruli, and the breaks in the glomerular basement membranes were found at the same place as the deposition of amyloid.