Case report describes rare recurrent laryngeal nerve schwannoma near the thyroid, suggesting diagnostic approaches and surgical techniques.
RLN schwannomas are exceedingly rare; neurogenic tumors should be considered in paratrachyroid masses near the inferior pole, especially when imaging shows an extrathyroidal cystic lesion and cytology is nondiagnostic. Preoperative evaluation with ultrasonography and contrast-enhanced CT facilitates diagnosis, and surgical excision with nerve function preservation should be prioritized.
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Yamauchi et al. (2026) studied this question.
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