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  • Title: [Benign cysts of the mediastinum: series of 28 cases].
    Author: Traibi A, El Hammoumi M, El Oueriachi F, Arsalane A, Kabiri EH.
    Journal: Rev Mal Respir; 2012 Nov; 29(9):1111-5. PubMed ID: 23200583.
    Abstract:
    INTRODUCTION: Benign cystic mediastinal mass form a group of heterogeneous and uncommon lesions. Surgical resection is the gold standard in these conditions. We reported our institutional experience in management of these benign tumours. In this review, cardiac and ganglionary benign mass were excluded. METHODS: We retrospectively reviewed the records of 28 patients with benign cysts of the mediastinum, who are operated in our department between January 2003 and December 2009 (7years period). RESULTS: There were 13 females (46.4%) and 15 males (53.5%), with a mean age of 36.8years (range: 13-63years). Most lesions (n=22) were equally in the anterior and middle mediastinum, only six were in the posterior mediastinum. Seventeen patients (60.7%) were symptomatic, with chest pain and cough as the most common symptoms. The diagnosis of mediastinal cyst was fortuitous in 11 patients with the waning of an assessment made for another reason. Surgery was indicated in all patients in order to both diagnostic and therapeutic. Posterolateral thoracotomy incision is the most common. Complete resection of the cyst was possible only in 18 cases (64.3%), whereas in ten (35. 7%) other cases part of the cyst was left in place due to tight adhesions to vital structures. After histological study, there were: nine bronchogenic cysts (32.1%), seven hydatid cysts (25%), four cystic lymphangiomas (14.3%), three mature cystic teratomas (10.7%) and three pleuropericardial cysts, one thymic cyst and one parathyroid cyst. The postoperative course was uneventful and no recurrence has been observed until now. CONCLUSION: The benign cysts of the mediastinum is a rare entity, the hydatid etiology remains common in our context. Surgical treatment remains the treatment of choice for mediastinal cysts, when the patient is operable, to save the risk of complications or degeneration.
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