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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization
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Initial Experience with a Cone-beam Breast Computed Tomography-guided Biopsy System.

Posy J Seifert1, Renee C Morgan1, David L Conover2

  • 1Elizabeth Wende Breast Care, LLC, Rochester, NY, USA.

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|February 21, 2017
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Cone-beam breast computed tomography (BCT)-guided biopsy systems show 100% lesion retrieval in phantom studies. This new BCT biopsy method offers equivalent or lower radiation doses compared to stereotactic biopsy.

Keywords:
Breast biopsybreast cancerbreast computed tomography

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Area of Science:

  • Medical Imaging
  • Interventional Radiology
  • Breast Imaging

Background:

  • Breast biopsy is crucial for diagnosing breast lesions.
  • Stereotactic biopsy is a common guidance method.
  • Advancements in imaging technology are needed for improved biopsy procedures.

Purpose of the Study:

  • To assess the initial performance of a cone-beam breast computed tomography (BCT)-guided biopsy system.
  • To evaluate lesion retrieval accuracy and efficiency in phantom studies.
  • To compare BCT-guided biopsy with traditional stereotactic guidance.

Main Methods:

  • A phantom breast biopsy study was conducted using a dedicated BCT-guided system.
  • Biopsies were performed on anthropomorphic breast phantoms (small, medium, large) under both BCT and stereotactic guidance.
  • Data collected included lesion retrieval rates, radiation dose, and procedure time.

Main Results:

  • Both BCT-guided and stereotactic biopsy achieved a 100% retrieval rate for phantom masses and calcifications.
  • Radiation dose for BCT-guided biopsy was equivalent or lower than stereotactic biopsy for small and medium phantoms.
  • Procedure times for both methods ranged from 10 to 20 minutes.

Conclusions:

  • The BCT-guided biopsy system demonstrates comparable efficacy to stereotactic biopsy in phantom studies.
  • BCT-guided biopsy offers a potential advantage with equivalent or reduced radiation exposure.
  • This initial experience supports the clinical utility of BCT-guided breast biopsy systems.