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Case Reports in Transplantation
Volume 2011, Article ID 859405, 4 pages
Case Report

Thymic Hyperplasia after Lung Transplantation Imitating Posttransplant Lymphoproliferative Disorder

1Department of Pathology, Innsbruck Medical University, 6020 Innsbruck, Austria
2Department of Cardiac Surgery, Innsbruck Medical University, 6020 Innsbruck, Austria
3Department of Pathology, University of Erlangen, 91054 Erlangen, Germany

Received 12 June 2011; Accepted 7 July 2011

Academic Editors: A. M. Alkhunaizi and C. F. Classen

Copyright © 2011 Christina Maria Steger et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Thymic hyperplasia is usually associated with the treatment of malignant tumours and is sometimes linked with endocrine diseases. For the first time, we report a case of thymic hyperplasia in a patient 2 years after bilateral lung transplantation. Contrast-enhanced chest CT scan was highly suspicious for a posttransplant lymphoma or thymoma. Therefore, the patient received total thymectomy. Excised specimens were sent to the Department of Pathology. Unexpectedly, the histological examination revealed hyperplastic thymic tissue without evidence for a posttransplant lymphoproliferative disorder or malignancy.