| A very rare condition characterized by glomerular accumulation of microtubules in the mesangium and the glomerular basement membrane, that mainly presents with proteinuria, micro-hematuria, nephrotic syndrome, renal insufficiency and hematologic malignancy. Etiopathology is unknown. It may arise spontaneously or be associated with lymphoproliferative disorders, hepatitis C virus infection, leukocytoclastic vasculitis and hypocomplementemia. |