Focal Segmental Glomerulosclerosis Followed by Granuloma and Preceding T-Cell Lymphoma by 46 Months: A Continuation Process or Coincidence.

Focal segmental glomerulosclerosis is a severe renal disease with a complex and unclear pathophysiology. Nephrotic syndrome is the clinical presentation of this renal disease. The recurrence of the disease after renal transplantation and the remission obtained after immune-adsorption treatment illustrate the implication of a circulating factor that requires characterization. Granulomatous inflammation is a tissue reaction caused by several conditions, including neoplastic diseases. In the literature, focal segmental glomerulosclerosis and granulomatous inflammation have both been associated with lymphoma. We report the case of a 56-year-old woman who initially developed focal and segmental glomerulosclerosis. After one year, the granulomatous inflammation was treated as tuberculosis infection and then as sarcoidosis. Finally, after another year, non-specified peripheral T-cell lymphoma was diagnosed.