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Contrast enhanced ultrasound guided biopsies of liver lesions not visualized on standard B-mode ultrasound—preliminary experience

  
@article{JGO16846,
	author = {Sasan Partovi and Ziang Lu and Rivka Kessner and Alice Yu and Yasmine Ahmed and Indravadan J. Patel and Dean A. Nakamoto and Nami Azar},
	title = {Contrast enhanced ultrasound guided biopsies of liver lesions not visualized on standard B-mode ultrasound—preliminary experience},
	journal = {Journal of Gastrointestinal Oncology},
	volume = {8},
	number = {6},
	year = {2017},
	keywords = {},
	abstract = {Background: To assess the technical success of contrast enhanced ultrasound (CEUS) guided biopsies of liver lesions poorly visualized on B-mode ultrasound. 
Methods: Patients were selected during the procedure based on the real-time clinical scenario of unsatisfactory B-mode ultrasound lesion visualization and all patients would have otherwise undergone CT guided liver lesion biopsy. A total of 26 patients underwent CEUS guided biopsy and were included in this retrospective analysis. The review of the patients’ files included demographic information, lesion characteristics on imaging, procedural details and pathology outcome. Technical success was defined as concordance between the radiological findings, pathology report and clinical follow-up—demonstrating lack of need for re-biopsy or re-biopsy with identical pathological results. Patients with less than 2 months follow-up were excluded from the study. 
Results: CEUS guided liver biopsy was successful in 23 out of 26 patients (88.5%). The average procedure time was 30.7±12.3 minutes and the average lesion size was 2.2±1.7 cm. The majority of lesions (80.8%) were hypoenhancing on the delayed phase of CEUS. The mean number of samples taken from each lesion per procedure was 3.2 (±1.7).
Conclusions: CEUS guidance biopsies of focal liver lesions (FLL) that were difficult to visualize on B-mode ultrasound demonstrated high success rate and may be an evolving image guidance modality in selected patients to avoid CT guided procedures.},
	issn = {2219-679X},	url = {https://jgo.amegroups.org/article/view/16846}
}