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Transthoracic image guided biopsy.
  1. R. Dick
  1. Department of Radiology, Royal Free Hospital, Hampstead, London, UK.


    Transthoracic image guided biopsy is now firmly established in the armamentarium of diagnostic tests to establish the nature of a mass in the lung, pleura, mediastinum or chest wall. It may be performed under computed tomographic, ultrasonic or fluoroscopic control, and provided a fine needle technique is employed, morbidity is low. Worldwide reports show a 90% true positive yield and a false positive rate of less than 1%.

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