Related Experiment Video
Updated: Dec 17, 2025
06:03
Use of Electromagnetic Navigational Transthoracic Needle Aspiration E-TTNA for Sampling of Lung Nodules
Published on: May 23, 2015
22.7K
A Clinical Study Evaluating an Aspiration-type Semi-Automatic Cutting Biopsy Needle (SCIRO-1702).
Yusuke Matsui1, Takao Hiraki2, Toshihiro Iguchi2
1Department of Radiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan.y-matsui@okayama-u.ac.jp.
Acta Medica Okayama
|June 25, 2020
Summary
This study evaluated an aspiration-type semi-automatic cutting biopsy needle for lung and renal masses. Negative pressure application did not significantly increase specimen weight in either lung or renal biopsies.
Area of Science:
- Medical Devices
- Surgical Oncology
- Interventional Radiology
Background:
- Semi-automatic cutting biopsy needles are used for tissue sampling.
- Aspiration-type needles aim to enhance specimen yield by applying negative pressure.
- Clinical evaluation is necessary to validate the efficacy of novel biopsy devices.
Purpose of the Study:
- To assess the impact of negative pressure on specimen weight using an aspiration-type semi-automatic cutting biopsy needle.
- To compare tissue sample yield between biopsies performed with and without aspiration.
- To evaluate the clinical utility of this novel biopsy needle in lung and renal masses.
Main Methods:
- A prospective clinical study involving patients undergoing image-guided percutaneous biopsy for lung or renal masses.
- Cutting biopsy was performed using the aspiration-type needle, with and without negative pressure application during each procedure.
- Specimen weights were measured electronically and compared using a paired t-test.
Main Results:
- Analysis included data from 45 lung and 30 renal biopsy procedures.
- In lung biopsies, mean specimen weights were 2.20±1.05 mg (with aspiration) and 2.24±1.08 mg (without aspiration).
- In renal biopsies, mean specimen weights were 6.52±2.18 mg (with aspiration) and 6.42±1.62 mg (without aspiration).
- No statistically significant difference in specimen weight was observed for either lung (p=0.799) or renal (p=0.789) biopsies when comparing aspiration versus no aspiration.
Conclusions:
- The application of negative pressure with the aspiration-type semi-automatic cutting biopsy needle did not significantly increase the amount of specimen obtained in lung and renal biopsies.
- The novel needle's aspiration feature does not appear to enhance tissue yield in these clinical settings.
- Further research may be needed to explore modifications or alternative applications of aspiration-type biopsy needles.
