Article ID Journal Published Year Pages File Type
6215614 Human Pathology 2015 4 Pages PDF
Abstract

SummaryA 39-year-old female patient was admitted to explore chronic renal failure. Clinical history included silicone breast implants. Clinical examination was normal. Urinalysis revealed tubular proteinuria with Bence-Jones κ protein. Monoclonal immunoglobulin G κ and free monoclonal κ-light chains (LCs) were revealed by serum protein immunoelectrophoresis. Bone marrow aspiration with karyotype analysis and skeletal radiologic survey were normal. Kidney biopsy revealed a peculiar pattern of proximal tubular cells with hypertrophy and clarification initially diagnosed as an osmotic nephrosis. Immunofluorescence study, including immunoglobulin LCs conjugates was normal. Immunoelectron microscopy finally revealed a crystalline LC proximal tubulopathy κ. Our case presents some peculiarities: the absence of hematologic malignancy sign and the young patient's age. The silicone breast implants have been reported to be involved in the generation of monoclonal gammopathy.

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