58 year-old man with multiple myeloma and slowly progressive renal insufficiency58 year-old man with multiple myeloma and slowly progressive renal insufficiency
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58 year-old man with multiple myeloma and slowly progressive renal insufficiency
Immunofluorescence staining for kappa light chain, after pronase digestion, revealing positive staining for the crystalline material within proximal tubules. Lambda staining was negative.
