%0 Journal Article %T Incid¨ºncia e aspectos de imagem do linfoma p¨®s-transplante hep¨¢tico em crian£¿as %A Bitencourt %A Almir Galv£¿o Vieira %A Pinto %A Paula Nicole Vieira %A Almeida %A Maria Fernanda Arruda %A Cerqueira %A Wagner Santana %A Assis %A Andr¨¦ Moreira de %A Rodrigues %A Adriana Michiko da Silva Tanaka %A Chojniak %A Rubens %J Radiologia Brasileira %D 2012 %I Col¨¦gio Brasileiro de Radiologia %R 10.1590/S0100-39842012000100004 %X objective: to evaluate the incidence and imaging findings of lymphoma after liver transplantation in children. materials and methods: the authors reviewed records and imaging studies of children submitted to liver transplantation in the period between 2000 and 2008 in a single institution. results: among 241 children submitted to liver transplantation, with a mean follow-up period of 41.4 ¡À 26.4 months, 16 (6.6%) had lymphoma. the mean age of the patients who developed lymphoma at the moment of transplantation was lower than in children who did not develop malignancy (23.9 ¡À 18.9 versus 38.0 ¡À 48.9 months; p = 0.02). the time interval between liver transplantation and the diagnosis of lymphoma ranged from 6 to 103 months. clinical and radiological presentation was variable and the abdomen was the most common location of the tumor (n = 13; 81.3%), followed by chest and head and neck (n = 4; 25.0% each). imaging findings included adenopathy, mediastinal, pulmonary and mesenteric masses, bowel wall thickening and hepatic and renal nodules. four children (25.0%) died because of complications of lymphoma. conclusion: lymphomas are relatively uncommon and potentially fatal complications that may occur any time after pediatric liver transplantation, presenting different clinical and imaging findings. %K lymphoma %K hepatic transplantation %K pediatrics %K imaging diagnosis %K postoperative complications. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0100-39842012000100004&lng=en&nrm=iso&tlng=en