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Definitive diagnosis of pleural disease (particularly malignancy) depends upon histologic proof obtained via pleural biopsy or positive pleural fluid cytology. Image-guided sampling is now standard practice. Local anesthetic thoracoscopy has a high diagnostic yield for malignant and nonmalignant disease, but is not always possible in frail patients, if pleural fluid is heavily loculated, or where the lung is adherent to the chest wall. Such cases can be converted during the same procedure as attempted thoracoscopy to cutting-needle biopsy. This study aimed to determine the diagnostic yield of a physician-led service in both planned biopsies and cases of failed thoracoscopy.

This study was a retrospective review of all ultrasound-guided, cutting-needle biopsies performed at the Oxford Centre for Respiratory Medicine between January 2010 and July 2013. Histologic results were assessed for …