The term "Monoclonal Gammopathies of Renal Significance" (MGRS) describes a group of diseases characterized by the presence of an immunoglobulin or monoclonal immunoglobulin fraction that has the ability to cause renal damage. It is important to diagnose MGRS correctly and early as renal survival depends on the renal function present at the time of diagnosis and it is necessary to establish a specific treatment that aims to stop the progression of the damage. organ and restoration of renal function. To date, there are no targeted therapeutic strategies that can prevent the formation of deposits or that can eliminate the deposits already present in the kidney, which constitute the etiopathogenetic factor of these pathologies. Therefore, the only valid therapeutic option is to act against the clone of B lymphocytes underlying the nephrological pathology, although it is not a clone with such requirements to be able to define it as a tumor. Therefore, given the absence of a well-defined policy in the therapy of MGRS and the doubts present on the validity of a therapeutic approach aimed at the suppression of a plasma cell clone, the investigators decided to carry out an observational retrospective study with the aim of describing, in a large series of MGRS treated with oncohematological therapy, the renal and overall outcome of patients and identify any presenting prognostic characteristics that can help improve the diagnosis of these disorders and the long-term survival of patients.
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Assessment of pictures of biochemical presentation
Timeframe: through study completion, an average of 1 year