Abstract
Objective
To quantify the incidence of occult thyroid cancer encountered during neck dissection in patients with head and neck squamous cell carcinoma (HNSCC), to discuss the management of these patients, and to assess the need for further treatment of the incidentally discovered thyroid cancer.
Study Design
Case series with chart review.
Setting
University-based tertiary care hospital.
Methods
The authors retrospectively reviewed 2538 neck dissections performed at their institution over a 15-year period. Twenty-nine patients had an incidental pathologic finding of thyroid cancer at surgery. The authors reviewed demographics, diagnoses, histopathology, initial and subsequent management, and outcome.
Results
Well-differentiated thyroid cancer (WDC) was found in every case in this cohort. Fifteen patients died during the period of the study (2.4-year follow-up), with 14 patients still alive (4.3-year follow-up). Seven patients, all of whom are still alive, received further treatment for their thyroid cancer: 2 with completion thyroidectomy, 2 with I-131 ablation, and 3 with both. There was no clinical evidence of recurrence of thyroid cancer in any of the patients who died, and none died as a result of thyroid cancer. In addition, none of the patients still alive have biopsy-proven evidence of thyroid cancer recurrence.
Conclusion
None of the patients in this cohort died as a result of their thyroid disease, and none of the patients had evidence of recurrence of their WDC during the follow-up period. The results suggest that further management of occult WDC discovered in patients receiving neck dissections for HNSCC is not necessary.
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Supplementary Material
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