Subject(s)

Humans , Male , Middle Aged , Immunoglobulin kappa-Chains/analysis , Podocytes/immunology , Kidney Diseases/immunology , Kidney Tubules, Proximal/immunology , Paraproteinemias/complications , Dexamethasone/therapeutic use , Treatment Outcome , Creatinine/blood , Crystallization , Cyclophosphamide/therapeutic use , Microscopy, Electron, Transmission/methods , Diagnosis, Differential , Albuminuria/etiology , Drug Therapy, Combination , Podocytes/pathology , Podocytes/ultrastructure , Acute Kidney Injury/diagnosis , Bortezomib/therapeutic use , Kidney Diseases/diagnostic imaging , Kidney Tubules, Proximal/ultrastructure , Anti-Inflammatory Agents/therapeutic use , Antineoplastic Agents/therapeutic use