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Related Experiment Videos

PEI therapy for thyroid lesions.

Nobuhiro Fukunari1

  • 1Surgical Branch of Ito Hospital, 4-3-6, Jingumae, Shibuya-ku, Tokyo 150-8308, Japan. fukunari@fc5.so-net.ne.jp

Biomedicine & Pharmacotherapy = Biomedecine & Pharmacotherapie
|December 19, 2002
PubMed
Summary
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Percutaneous ethanol injection (PEI) therapy is effective for thyroid lesions, showing an 85.6% response rate in 2323 patients. This minimally invasive treatment for thyroid disease demonstrated significant efficacy with no major complications.

Area of Science:

  • Endocrinology
  • Interventional Radiology
  • Oncology

Background:

  • Percutaneous ethanol injection (PEI) is an established treatment for thyroid cystic lesions and autonomous nodules.
  • Investigational uses for PEI include benign cold tumors, advanced thyroid cancer, and recurrent Graves' disease.
  • Ultrasound and color-Doppler guidance are crucial for PEI administration in thyroid interventions.

Purpose of the Study:

  • To evaluate the efficacy and safety of PEI therapy in a large cohort of patients with various thyroid diseases.
  • To assess the impact of guidance methods (ultrasound and color-Doppler) on treatment outcomes.
  • To determine the optimal application of PEI for thyroid conditions.

Main Methods:

  • Retrospective analysis of 2323 patients treated with PEI for thyroid disease between 1999 and 2001.

Related Experiment Videos

  • PEI administered under ultrasound guidance for cystic lesions and color-Doppler guidance for solid lesions.
  • Tumor vascularity attenuation was the primary goal, with injection volume controlled via color-Doppler.

    • Main Results:

    • An effective response (ER) or partial response (PR) was observed in 1989 out of 2323 patients (85.6%).
    • No major complications, including recurrent laryngeal nerve palsy, severe pain, bleeding, or thyrotoxicosis, were reported.
    • Color-Doppler guidance was highlighted for its role in minimizing ethanol injection volume to effectively attenuate tumor vascularity.

    Conclusions:

    • PEI therapy is a safe and effective treatment modality for a range of thyroid conditions.
    • The use of color-Doppler guidance is essential for optimizing PEI efficacy and safety by controlling ethanol dosage.
    • PEI offers a promising minimally invasive option for managing thyroid nodules and other thyroid pathologies.