TAILIEUCHUNG - báo cáo khoa học: "Ectopic thymoma presenting as a giant intrathoracic tumor: A case report"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Ectopic thymoma presenting as a giant intrathoracic tumor: A case report | Kitada et al. World Journal of Surgical Oncology 2011 9 66 http content 9 1 66 5 2 WORLD JOURNAL OF SURGICAL ONCOLOGY CASE REPORT Open Access Ectopic thymoma presenting as a giant intrathoracic tumor A case report 1 1 1 1 2 2 Masahiro Kitada Kazuhiro Sato Yoshinari Matsuda Satoshi Hayashi Yoshihiko Tokusashi Naoyuki Miyokawa and Tadahiro Sasajima1 Abstract Ectopic thymoma rarely presents as an intrathoracic tumor. We report a case of ectopic thymoma presenting as a giant right intrathoracic tumor that was treated with resection. The patient was a 50-year-old Japanese woman who presented with the chief complaint of chest pain. Detailed examination revealed a solid tumor measuring 15 X 10 X 8 cm in diameter with a clear border. The Imaging findings suggested a solitary fibrous tumor and surgery was performed. At surgery the tumor was found to beadherent to the diaphragm mediastinal pleura and lower lobe of the lung although it could be dissected with relative ease and was removed. Pathological diagnosis indicated a type B1 tumor with no capsular invasion according to the World Health Organization classification and a diagnosis of Masaoka stage I thymoma was made. No continuity with the normal thymus tissue was seen and the thymoma was considered to be derived from ectopic thymic tissue in the pleura. Background Thymomas usually manifest in the anterior-superior mediastinum and ectopic thymomas account for only 4 of all thymomas. Among ectopic thymoma intrathoracic tumors of pleural origin are rather rare. We report herein a patient with a giant intrathoracic tumor that was discovered during a clinical workup to determine the cause of chest pain in the patient. The tumor was diagnosed as a thymoma that was difficult to differentiate from solitary fibrous tumor SFT by diagnostic imaging. Case A 50-year-old Japanese woman with the chief complaint of chest pain was examined at a local hospital. A chest radiograph revealed a giant tumor in the right lower .

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