Rupture of thymoma due to recurrent tumor hemorrhage: a case report.

Autor:	Uebayashi A; Department of General Thoracic Surgery, Fujieda Municipal General Hospital, Fujieda, Japan., Ema T; Department of General Thoracic Surgery, Fujieda Municipal General Hospital, Fujieda, Japan., Oiwa H; Department of General Thoracic Surgery, Fujieda Municipal General Hospital, Fujieda, Japan., Yasuda K; Department of Diagnostic Pathology, Fujieda Municipal General Hospital, Fujieda, Japan., Matsubara O; Department of Diagnostic Pathology, Fujieda Municipal General Hospital, Fujieda, Japan.; Department of Diagnostic Pathology, Hiratsuka Kyosai Hospital, Hiratsuka, Japan., Funai K; First Department of Surgery, Hamamatsu University School of Medicine, Hamamatsu, Japan.
Jazyk:	angličtina
Zdroj:	AME case reports [AME Case Rep] 2023 Jul 18; Vol. 7, pp. 23. Date of Electronic Publication: 2023 Jul 18 (Print Publication: 2023).
DOI:	10.21037/acr-23-44
Abstrakt:	Background: Rupture of a thymoma is rare, and due to its rarity, the mechanism of rupture remains unclear. Here we report a case of a ruptured thymoma that ruptured due to an increase in the intratumoral pressure caused by recurrent hemorrhaging. Case Description: A 70-year-old woman presented 2 days prior persistent right chest and shoulder pain. A chest computed tomography (CT) scan revealed the presence of a mass occupying the anterior mediastinum and a right pleural effusion. It was diagnosed as an anterior mediastinum tumor. The increase in the levels of inflammatory markers and tumor necrosis observed on CT were suggestive of infection. As the general status of the patient was stable and she initially received antibiotic medical therapy, an improvement in the inflammatory marker levels was observed with antibiotic therapy. A surgical resection was performed 10 days after admission. Median sternotomy revealed a tumor extending from the mediastinum to the right thoracic cavity. Since the adhesion was strong and tumor invasion was suspected, the tumor was completely resected by combining a partial resection of the right middle and lower lobes with the pericardium. Pathological examination revealed that the tumor was a type B2 thymoma with fibrosis, necrosis, hemosiderosis, and hemorrhaging, suggesting recurrent hemorrhaging within the tumor. Conclusions: Based on the findings of our case, recurrent hemorrhaging within the tumor led to an increase in the intratumoral pressure and chronic inflammation and necrosis weakened the tumor wall. These changes contributed to the subsequent rupture. Competing Interests: Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://acr.amegroups.com/article/view/10.21037/acr-23-44/coif). The authors have no conflicts of interest to declare. (2023 AME Case Reports. All rights reserved.)
Databáze:	MEDLINE
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