A 2-year-old boy with acute lymphoblastic leukemia was presented with peripherally inserted central catheter dysfunction. Radiological examinations revealed a catheter remnant in the right atrium extending into pulmonary vein. The catheter remnant was successfully removed from the right atrium by percutaneous endovascular intervention without any complications. (C) 2013 Sociedade Brasileira de Anestesiologia. Published by Elsevier Editora Ltda. All rights reserved.