Imaging-guided chest biopsies: techniques and clinical results.

Insights Imaging

Department of Radiological, Oncological and Anatomopathological Sciences, Radiology, Sapienza, University of Rome, Policlinico Umberto I, Viale Regina Elena, 324, 00161, Rome, Italy.

Published: August 2017

Background: This article aims to comprehensively describe indications, contraindications, technical aspects, diagnostic accuracy and complications of percutaneous lung biopsy.

Methods: Imaging-guided biopsy currently represents one of the predominant methods for obtaining tissue specimens in patients with lung nodules; in many cases treatment protocols are based on histological information; thus, biopsy is frequently performed, when technically feasible, or in case other techniques (such as bronchoscopy with lavage) are inconclusive.

Results: Although a coaxial system is suitable in any case, two categories of needles can be used: fine-needle aspiration biopsy (FNAB) and core-needle biopsy (CNB), with the latter demonstrated to have a slightly higher overall sensitivity, specificity and accuracy.

Conclusion: Percutaneous lung biopsy is a safe procedure even though a few complications are possible: pneumothorax, pulmonary haemorrhage and haemoptysis are common complications, while air embolism and seeding are rare, but potentially fatal complications.

Teaching Points: • Imaging-guided biopsy is one of the main methods to obtain lung nodule specimens. • CT has the highest accuracy for diagnosis as an imaging guide. • Compared to FNAB, CNB has a higher accuracy for diagnosis. • Pneumothorax and parenchymal pulmonary haemorrhage care the most frequent complications. • Several clinical and technical variables can affect diagnostic accuracy and patient safety.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5519500PMC
http://dx.doi.org/10.1007/s13244-017-0561-6DOI Listing

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