Combined Treatment with Laser Ablation and Tyrosine-Kinase Inhibitor as a Novel Multimodality Approach to Locally Advanced Thyroid Cancer: a Case Report.

Endocrine, Metabolic & Immune Disorders Drug Targets
Agnese PersichettiRinaldo Guglielmi

Abstract

Direct locoregional treatments were recently proposed for the local control of cervical and distant metastasis of thyroid cancer, but data on their use as part of a multimodality approach for primary thyroid tumors are poor. In this feasibility study, laser ablation (LTA) was successfully used for the initial debulking of unresectable radioiodine-refractory thyroid cancer in sequential therapy with tyrosine-kinase inhibitors (TKI). A 69-year-old woman underwent partial resection of papillary thyroid cancer with extensive tracheal infiltration. Post-treatment whole-body scan (131I, 8140 MBq) showed the absence of cervical thyroid uptake. The patient experienced a rapid increase in her cervical mass associated with dysphonia, dyspnea, and dysphagia. Due to a concomitant severe hypertensive state and cardiac failure, the patient was treated with LTA after a multidisciplinary consultation. After local anesthesia, two 300 nm optic fibers were inserted into the lesion through 21G spinal needles. Two illuminations with 4-watt output power and 3600 Joules energy delivery were performed with a diode-laser source. LTA resulted in rapid cancer debulking, and mass volume decreased from 23.9 to 7.5 mL resulting in significant improvement of...Continue Reading

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