Thymic cysts are relatively uncommon lesions that can be found at any age and can be congenital or acquired. True thymic hyperplasia is usually regarded as a rebound phenomenon and characterized by an increase in mass of the gland after a stressor, such as chemotherapy, radiation, steroid treatment, burns or surgery. Thymic masses are comprised of hyperplasia, cysts, thymic epithelial tumors (TETs), lymphomas, malignant germ cell tumors or metastatic cancers and so on. Keywords: thymic mass, thymomas, CT, MRI, diagnostic accuracy Introduction Ĭonclusion: The diagnostic accuracy of MRI is superior to CT in detecting thymomas, thymic cysts or thymic hyperplasia but that of CT and MRI is still unclear in differentiating thymic carcinomas and lymphomas/germ cell tumors. AUC of CT was 0.875 and that of MRI was 0.880. The sensitivity of CT and MRI was both 100%, while the specificity was 75% and 80%, respectively. We showed outcomes of quantitative analysis of each study in this article. There were 253 cases examined by CT and 340 cases by MRI in total. Results: Eight literatures were finally included and analyzed in this study. The ROC curve was applied to compare the diagnostic performance of different imaging modalities. Methods: We searched literature and collected information on first author, publication year, cases of different types of thymic lesions, correct diagnostic cases of CT and MRI and results of quantitative analysis of CT and MRI. Purpose: The aim of this study was to compare diagnostic accuracy between CT and MRI for thymic masses. Select the file that you have just downloaded and select import option Reference Manager (RIS).
#Residual thymic tissue download
Available fromĬlick on Go to download the file. Comparison between CT and MRI in the Diagnostic Accuracy of Thymic Masses. Its medial surface was attached to the mediastinum, lying between the interior mammary vessels and the right phrenic nerve while its lateral surface was pressing against the lung.Li HR, Gao J, Jin C, Jiang JH, Ding JY. The cyst extended in cranial-caudal direction from the level of confluence of the right and left innominate veins with the superior vena cava to the right periocardiophrenic angle. VATS revealed a huge ruptured cyst, half-full of liquid, originating in the anterior mediastinum.
The patient was then transferred to the 2nd Department of Propedeutic Surgery of ‘LAIKO’ Hospital, where she underwent video-assisted thoracic surgery (VATS) for her mass in the mediastinum. 1A) revealed both right pleural effusion with compressive atelectasis of the right lower lobe and a smooth tissue-like mass in the mediastinum. Chest computed tomography (CT) scan ( Fig. Tests for parasites were negative and the results of routine laboratory analyses were compatible to a transudative pleural effusion ( Table 1). Chest X-rays suggested pleural effusion and the fluid extracted by needle aspiration was transparent. Physical examination revealed a reduction of respiratory murmur at the right hemithorax. She showed no other symptoms and her medical history was unremarkable except for a benign thyroid lesion which was being treated. A 61-year-old Greek woman was admitted in the 5th Department of Respiratory Medicine of “SOTIRIA” Hospital, complaining of pleuritic chest pain in the right hemithorax and dyspnea on exertion.
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