Abstract
A 70-year-old woman presented with a nodule in the left hilum on a chest radiograph 3 years before. Another mass emerged caudal to the initial nodule and was diagnosed as thymoma. A surgical specimen revealed two components: an encapsulated rostral nodule and a caudal mass invading the left lung. Histological findings showed that the rostral nodule was a stage 1 type B2 thymoma, whereas the caudal mass was a stage 3 type B3 thymoma. Based on the differences in biological behavior and histological findings, we concluded that these tumors derived from multicentric origin.
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Abbreviations
- MG:
-
Myasthenia gravis
- CT:
-
Computed tomography
- WHO:
-
World Health Organization
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We routinely obtain general consent from every patient prior to surgery before using his or her clinical data. Written informed consent was not obtained from the patient for publication of this case report because this report is merely a retrospective case report without additional invasive examinations or treatments for a study.
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Oki, T., Nakamura, T., Arai, Y. et al. Metachronous multiple thymoma with different clinical behavior and pathological findings. Int Canc Conf J 5, 158–161 (2016). https://doi.org/10.1007/s13691-016-0249-7
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DOI: https://doi.org/10.1007/s13691-016-0249-7