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  • Title: Ultrasound-guided core biopsy of thoracic tumors.
    Author: Yang PC, Chang DB, Yu CJ, Lee YC, Wu HD, Kuo SH, Luh KT.
    Journal: Am Rev Respir Dis; 1992 Sep; 146(3):763-7. PubMed ID: 1519860.
    Abstract:
    Two hundred and eighteen patients, with thoracic tumors larger than 3 cm in size, underwent ultrasound-guided percutaneous transthoracic core biopsy with a large-bore Tru-Cut needle. Fifty-five tumors were in the mediastinum, and 122 tumors were located at subpleural area, and 42 tumors were within the lungs. In 122 subpleural tumors, the sensitivity of ultrasound-guided core biopsy for the diagnosis of malignancy was 96.8%, and accuracy was 97.5%. Sensitivity for the diagnosis of malignant tumors located within the lungs was 94.6%, and accuracy was 95.2%. In 54 patients with mediastinal tumors, definite histologic diagnosis could be obtained in 48 patients (88.9%). The sensitivity of ultrasound-guided biopsy for the diagnosis of malignancy in these 48 mediastinal tumors was 97.1%, with an accuracy of 97.9%. Three patients had complications with minimal pneumothorax and one with mild hemoptysis. We conclude that percutaneous transthoracic core biopsy with Tru-Cut needle under ultrasound guidance is a safe and sensitive way to obtain specimens for accurate histologic diagnosis of thoracic tumors. The diagnostic yield is high, and the technique, relatively simple, can also be used for outpatients.
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