Puncture of thoracic lesions under sonographic guidance.

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Abstract
Punctures (36) of [human] thoracic lesions were performed with a compound B-scanner or a real-time linear-array scanner for guidance. Fluid collections (23) were punctured and aspiration biopsies were performed on 13 echogenic lesions. All the punctures were successful on the 1st sttempt. No complications occurred. Results confirm the usefulness of sonography for guiding punctures of thoracic fluid effusions and solid masses. Usually a static B-scanner is sufficient, but when masses are small or surrounded by vital structures, puncture may be controlled by a real-time scanner.