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This study introduces LC Bead LUMI™, a new image-able embolic agent for liver tumor embolization. Real-time imaging confirmed treatment delivery and identified areas needing further embolization.

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Area of Science:

  • Interventional Radiology
  • Oncology
  • Medical Imaging

Background:

  • Transarterial embolization is a key treatment for liver tumors.
  • Directly image-able embolic agents offer potential for improved procedural guidance and assessment.
  • LC Bead LUMI™ is a novel iodinated polyvinyl alcohol hydrogel microsphere designed for enhanced visibility during embolization.

Observation:

  • The study describes the first clinical use of LC Bead LUMI™ in three patients with liver tumors.
  • LC Bead LUMI™ (70-150 micron) was delivered via microcatheter into hepatic arteries.
  • A specialized imaging platform with cone beam CT (CBCT) was used for real-time monitoring.

Findings:

  • LC Bead LUMI™ was successfully delivered and visualized using various imaging modalities including fluoroscopy, radiography, DSA, and CBCT.
  • Intra-procedural imaging identified potential under-treatment zones based on bead distribution.
  • Post-embolization CT confirmed findings, correlating bead-poor areas with residual enhancing tumor tissue.

Implications:

  • LC Bead LUMI™ provides real-time feedback on embolic agent delivery and treatment localization.
  • The distribution and density of image-able beads may serve as a crucial endpoint for embolization effectiveness.
  • Further evaluation is warranted to optimize the use of image-able beads for improved liver tumor treatment outcomes.