期刊
THORACIC CANCER
卷 15, 期 1, 页码 94-97出版社
WILEY
DOI: 10.1111/1759-7714.15174
关键词
mediastinal cyst; multilocular thymic cyst; thymic cancer
This article presents a case of multilocular mediastinal cyst leading to the development of thymic cancer. Resection of multilocular anterior mediastinal cysts should be considered due to the challenges in preoperative diagnosis, the potential for coexisting tumors with cysts, and the risk of malignant tumor development.
Multilocular thymic cysts (MTC) are acquired multilocular cysts caused by inflammation. The rarity of such lesions and a lack of recognition make diagnosis and treatment difficult. Herein, we present our experience with a multilocular mediastinal cyst that resulted in the development of thymic cancer with metastasis over a period of 13 years. Computed tomography findings revealed an anterior mediastinal mass that was suspected to be an MTC in a 49-year-old man. The mass shrank gradually over a period of 7 years; however, growth was observed at 10 years after initial detection. At 13 years after detection, thymic carcinoma with multiple lung metastases was diagnosed. Resection was recommended during the follow-up period, but the patient refused treatment. A multilocular wall and location are factors that indicate MTC. However, even if a definitive diagnosis is not made, resection of multilocular anterior mediastinal cysts should be considered as determining the preoperative diagnosis is difficult. Nevertheless, our case suggests that the coexistence of tumors with cysts is possible, and the potential for malignant tumor development exists. A multilocular mediastinal cyst suspected as multilocular thymic cyst shrank over a period of 7 years; however, thymic cancer with lung metastasis developed 13 years after initial detection. Resection should be considered for multilocular mediastinal cysts, due to the challenges they pose in preoperative diagnosis, the potential for coexisting tumors with cysts, and the risk of malignant tumor development.image
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