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  • Title: An early comparison between endoscopic ultrasound-guided fine-needle aspiration and mediastinoscopy for diagnosis of mediastinal malignancy.
    Author: Serna DL, Aryan HE, Chang KJ, Brenner M, Tran LM, Chen JC.
    Journal: Am Surg; 1998 Oct; 64(10):1014-8. PubMed ID: 9764715.
    Abstract:
    Precise mediastinal lymph node staging is essential in non-small cell lung cancer for proper evaluation and treatment. In addition to CT, mediastinoscopy is routinely used for staging and diagnosis of mediastinal malignancy. Recently, endoscopic ultrasound (EUS) combined with fine-needle aspiration (FNA) biopsy has been used to evaluate mediastinal disease. The purpose of this study was to assess and compare mediastinoscopy with EUS/FNA in the evaluation of mediastinal masses. From August 1995 to July 1997, 21 patients with suspected mediastinal malignancy underwent cervical mediastinoscopy with biopsy. During this same period, seven patients with suspected mediastinal malignancy were evaluated using EUS/FNA. All patients were retrospectively studied. Both mediastinoscopy and EUS/FNA were highly sensitive in diagnosing mediastinal malignancy (100% and 86%, respectively). Specificity and positive predictive value were 100 per cent for both procedures. Mediastinoscopy and EUS/FNA are highly accurate methods of staging mediastinal malignancy. Mediastinoscopy provides better access to the upper and anterior mediastinum, whereas EUS/FNA can safely be used to biopsy subcarinal and posterior mediastinal masses. Mediastinoscopy and EUS/FNA target different areas of the mediastinum and may be complimentary in the evaluation of mediastinal malignancy and staging of bronchogenic carcinoma.
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