Percutaneous aspiration liver biopsy using a large-caliber disposable needle

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Abstract
A modification of the aspiration liver biopsy technique using a large-caliber disposable needle is described in an 18-month experience. One hundred forty liver biopsies were performed, obtaining adequate tissue in 98% of the patients. Complications occurred in 12 patients and were limited to pain at the biopsy site, epigastrium, or right shoulder; one instance of tachycardia and three of transient hypotension occurred. Thirty patients studied prospectively with liver scans and hematologic parameters failed to disclose subclinical complications. While the number of patients biopsied is still too small to provide definite conclusions, it appears that this technique is safe, simple, and has a very high yield of excellent specimens. In addition, the needle offers the advantage of being disposable and easy to use by a single operator.

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