Abstract
We present a 60-year-old man with recurrent follicular thyroid cancer (initially staged pT4aN0M0) with multiple high-risk features including poorly differentiated histology with insular component, extrathyroidal extension with involvement of the cricoid, trachea and esophagus, and recurrence after prior radioactive iodine treatment. He underwent extensive surgical resection including total laryngectomy, bilateral neck dissection, tracheal shave resection, and cricopharyngeal myotomy. A tracheoesophageal puncture (TEP) was performed with placement of a voice prosthesis. He was treated with adjuvant external beam radiotherapy (EBRT) to the neck. Subsequent systemic therapies included the antiangiogenic multi-kinase inhibitors lenvatinib and pazopanib. Over time, he developed a tracheoesophageal fistula requiring multiple surgical interventions, enteral feeding, and therapy changes. In this case report, we discuss risk factors for fistularization including TEP prosthesis, adjuvant EBRT, and antiangiogenic therapy, and we discuss strategies to minimize and manage treatment-related toxicities.
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Kut, C., Liang, A., Kiess, A.P. (2021). A Case of Fistula After Adjuvant External Beam Radiotherapy and Lenvatinib for High-Risk Follicular Thyroid Cancer. In: Grani, G., Cooper, D.S., Durante, C. (eds) Thyroid Cancer. Springer, Cham. https://doi.org/10.1007/978-3-030-61919-0_28
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