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  • Title: Posttransplantation lymphoproliferative disorder: manifestations in pediatric thoracic organ recipients.
    Author: Lim GY, Newman B, Kurland G, Webber SA.
    Journal: Radiology; 2002 Mar; 222(3):699-708. PubMed ID: 11867788.
    Abstract:
    PURPOSE: To describe and correlate the clinical and imaging features of posttransplantation lymphoproliferative disorder (PTLD) in young thoracic organ transplant recipients. MATERIALS AND METHODS: The authors retrospectively reviewed the medical and imaging records of 31 PTLD episodes in 27 patients with PTLD out of 183 young patients who survived for at least 1 month after thoracic organ transplantation: 18 (14%) heart transplant recipients and nine (16%) lung or heart-lung transplant recipients. Four patients had two separate PTLD episodes. The distribution, timing, and imaging features of the disease were analyzed. RESULTS: Seventeen (55%) of 31 episodes involved intrathoracic PTLD manifesting as multiple pulmonary nodules (n = 10), a solitary nodule (n = 3), alveolar consolidation (n = 3), and/or mediastinal adenopathy (n = 8). Extrathoracic PTLD occurred in 21 (68%) of 31 episodes and involved the abdomen (n = 15), head and neck (n = 11), and/or central nervous system (n = 3). The imaging findings of these episodes included bowel wall thickening, lymphadenopathy, and focal masses. Intrathoracic PTLD occurred more commonly in lung transplant recipients (89%) than in heart transplant recipients (44%); no cases of lymphoma involved the thorax. The frequency of extrathoracic manifestations was higher in heart transplant recipients (83%) than in lung transplant recipients (33%). In lung transplant recipients, the prevalence of early-onset PTLD was significantly greater than that in heart transplant recipients (P <.05). Intrathoracic PTLD tended to manifest early. CONCLUSION: PTLD in young thoracic transplant recipients involves the lungs and extrathoracic organs, tends to have an early onset, and manifests predominantly in the thorax in lung transplant and heart-lung transplant recipients, as opposed to heart transplant recipients.
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