Non-crystalline light chain proximal tubulopathy associated with monoclonal gammopathy of renal significance: A case report and review of the literature.

Very few similar cases are reported in the literature. It is considered crucial to enhance our knowledge about these cases to establish the definition of the non-crystalline LCPT entity and allow for early diagnosis. Chemotherapy may not be necessary for all patients to maintain good renal function. Future prospective clinical research studies are necessary.