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AJR Am J Roentgenol · Jun 1990
Percutaneous biopsy of thoracic lesions: value of sonography for needle guidance.
- J Ikezoe, S Morimoto, J Arisawa, S Takashima, T Kozuka, and K Nakahara.
- Department of Radiology, Osaka University Medical School, Japan.
- AJR Am J Roentgenol. 1990 Jun 1;154(6):1181-5.
AbstractFluoroscopy and CT are widely used to guide percutaneous needle biopsy of thoracic lesions. However, some lesions are not sufficiently visible on fluoroscopy and others are dangerous to access on CT without real-time monitoring. When these are the circumstances, sonographic guidance may be helpful. Real-time sonography was used to guide percutaneous needle biopsy in 124 patients with thoracic lesions. The indications for sonographic guidance included pulmonary, pleural, or mediastinal lesions in contact with the chest wall, including lesions near the heart or great vessels (n = 12); lesions in the apical region (n = 5); lesions in a juxtadiaphragmatic location (n = 6); small lung nodules adjacent to the chest wall (n = 16); and peripheral tumors with adjacent pleural effusion (n = 4). A diagnosis was made in 74 (90%) of 82 malignant lesions and in 24 (67%) of 36 benign lesions. Complications included pneumothorax (n = 5), hemoptysis (n = 1), and hemothorax (n = 1). The advantages of sonographic guidance are that the sonographic equipment is mobile and real-time monitoring makes the procedure safer. Its limitations are that it cannot be used when aerated lung or free air (pneumothorax) lies between the chest wall and the lesion and that cavitary lesions are difficult to sample by biopsy. Our results show that the use of sonographic guidance considerably expands the number of thoracic lesions amenable to percutaneous biopsy.
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