Paroxysmal nocturnal hemoglobinurea (PNH) is a rare disorder of complement regulation due to somatic mutation of PIGA (phosphatidylinositol glycan anchor) gene. We herewith report a case who developed a symptomatic PNH long after an allogenic marrow transplant. Some reasonable arguments concerning the origin of PNH clone have been discussed. https://www.diegojavierfares.com/amazing-price-Rubbermaid-8-Gallon-Plastic-Home-Office-Wastebasket-Trash-Can-with-Liner-Lock-p12316-big-deal/