Brazilian Journal of Nephrology. 2019 Dec 2.
Authors
Patel AB, Choi JY, Mutter WP, Weins A, Riella LV.
Abstract
In this case report, we present a 64-year-old man with a history of IgG kappa paraproteinemia for 14 years with no signs of multiple myeloma or plasmacytoma who presented to the renal clinic with new onset hypokalemia and increase in serum creatinine.
Figure. Immunofluorescence on protease-treated paraffin sections revealing kappa restricted (4+) light chain deposition in the glomerulus and tubules. Scale bar: 50μm.
