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Video 24-4: This image shows a lingular lung mass adjacent to the chest wall and heart that is suitable for ultrasound-guided aspiration or biopsy.

From: Critical Care Ultrasonography, Second Edition

Determination of safe needle trajectory must take into account adjacent anatomic structures, as indicated in this image. The 3.5 MHz transducer is in an oblique orientation and placed perpendicular to the chest wall to scan through the 5th intercostal space in the left anterior axillary line.

10 secs
Author(s) Peter Doelken, Paul H. Mayo
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