Dataset Information

Safety, Utilization, and Cost of Image-Guided Percutaneous Liver Biopsy Among Cancer Patients.

ABSTRACT: Image-guided percutaneous liver biopsy (PLB) is a diagnostic tool for lesions in the liver. Hemorrhage is the most common complication. We selected patients with a diagnostic claim for cancer who had undergone PLB. There were a total of 26,941 patients who underwent PLB. Hemorrhage risk was 1.43% among patients undergoing PLB. When stratified by setting, odds of hemorrhage were 4.5 times higher when biopsy was performed in an inpatient setting (p < .001). Risk factors associated with hemorrhage included marital status, liver cancer and comorbidity score. The use of PLB has increased over time. Reassuringly, the hemorrhage risk associated with PLB is low.

SUBMITTER: Cui Z

PROVIDER: S-EPMC5002313 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Safety, Utilization, and Cost of Image-Guided Percutaneous Liver Biopsy Among Cancer Patients.

Cui Zhu Z Wright Jason D JD Accordino Melissa K MK Buono Donna D Neugut Alfred I AI Hu Jim C JC Hershman Dawn L DL

Cancer investigation 20160411 4

Image-guided percutaneous liver biopsy (PLB) is a diagnostic tool for lesions in the liver. Hemorrhage is the most common complication. We selected patients with a diagnostic claim for cancer who had undergone PLB. There were a total of 26,941 patients who underwent PLB. Hemorrhage risk was 1.43% among patients undergoing PLB. When stratified by setting, odds of hemorrhage were 4.5 times higher when biopsy was performed in an inpatient setting (p < .001). Risk factors associated with hemorrhage ...[more]

PMID: 27065211

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Project description:ImportanceImage-guided breast biopsy of a residual imaging abnormality or tumor bed after neoadjuvant chemotherapy (NACT) is increasingly used to assess residual cancer, facilitate risk-adaptive surgery, and potentially identify exceptional responders in whom local therapy may be de-escalated.ObjectiveTo further assess the accuracy of post-NACT image-guided biopsy to predict residual cancer in the breast.Design, setting, and participantsThis diagnostic study analyzed multicenter patient-level data of patients with breast cancer who were treated with NACT and underwent image-guided biopsy before surgery at Royal Marsden Hospital in London, UK; Seoul National University Hospital in Seoul, South Korea; and MD Anderson Cancer Center in Houston, Texas. Data were analyzed from June to July 2019.Main outcomes and measuresDiagnostic accuracy of post-NACT image-guided biopsy. Final surgical pathology was used as reference standard.ResultsData from 166 women were analyzed. The median (range) age was 49 (25-76) years. The median (range) tumor size on pretreatment and posttreatment imaging was 33.5 (12-100) mm and 10 (0-100) mm, respectively. The overall pathologic complete response rate was 51.2% (n = 85) (16.1% [5 of 31] for hormone receptor-positive/ERBB2 (formerly HER2)-negative; 44.7% [21 of 47] for hormone receptor-positive/ERBB2-positive; 69% [20 of 29] for hormone receptor-negative/ERBB2-positive; and 66.1% [39 of 59] for triple negative). The majority (143 [86.1%]) underwent image-guided vacuum-assisted biopsy (VAB), and 23 had core-cut biopsy. The median (range) needle gauge was 10 (7-14), and the median (range) number of samples was 6 (2-18). When image-guided biopsy (VAB and core-cut biopsy) was representative (159 [95.8%]), the false-negative rate across the whole cohort was 18.7% (95% CI, 10.6%-29.3%). Subgroup analysis of patients with a complete/partial clinical response and residual imaging abnormality of 2 cm or smaller with at least 6 VABs taken (76 [45.8%]) demonstrated a false-negative rate of 3.2% (95% CI, 0.1%-16.7%), a negative predictive value of 97.4% (95% CI, 86.5%-99.9%), and an overall accuracy of 89.5% (95% CI, 80.3%-95.3%).Conclusions and relevanceThis large multicenter pooled data analysis suggests that a standardized protocol using image-guided VAB of a tumor bed measuring 2 cm or smaller with 6 or more representative samples allows reliable prediction of residual disease. These results could inform the design of de-escalation trials in NACT exceptional responders testing the safety of eliminating surgery.

Dataset Information

Safety, Utilization, and Cost of Image-Guided Percutaneous Liver Biopsy Among Cancer Patients.

Publications

Safety, Utilization, and Cost of Image-Guided Percutaneous Liver Biopsy Among Cancer Patients.

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