Use of Endobronchial Ultrasound and Endoscopic Ultrasound to Stage the Mediastinum in Early-Stage Lung Cancer
Lung cancer remains the deadliest cancer, with more than 159,000 deaths and 220,000 newly diagnosed cases in 2011. Because treatment and survival are directly linked to disease stage, accurate staging in all patients is crucial. The proper staging of early-stage lung cancer involves investigation for the presence of metastatic spread via lymph nodes within the thorax. Initial steps include CT and PET. Mediastinoscopy has previously been considered the gold standard for mediastinal lymph node sampling; however, over the past 10 years the use of ultrasound-guided lymph node sampling has been shown to be at least as sensitive, and has the added advantage of being able to access significantly more stations. This article reviews the current standards of lung cancer staging in 2012.
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