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Posterior Mediastinal Thymus: Case Report and Literature Review

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Author(s): Lihua Jiang | Baiping Sun | Yulong Zheng | Lizhong Du

Journal: Iranian Journal of Pediatrics
ISSN 2008-2142

Volume: 21;
Issue: 3;
Start page: 404;
Date: 2011;
Original page

Keywords: Ectopic Thymus | Mediastinum | Thoracotomy | Pulmonary Atelectasis

ABSTRACT
Background: The incidence of aberrant thymus in the posterior mediastinum is very uncommon. It is difficult to exclude malignancy before surgical procedure. Case Presentation: In a six-month-old male coughing for two weeks prior to admission a posterior mediastinal mass was found incidentally by chest roentgenogram. Thoracotomy was performed. Histologic study revealed normal thymic tissue. Conclusion: When a mass located in the posterior mediastinum, ectopic thymus should be included in differential diagnosis. Imaging techniques may spare thoracotomy. Ectopic thymus has a benign clinical course, and surgical resection is not recommended. "n 
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