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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Mayu Yamauchi
Akihiro Sakai
Hiroaki Iijima
Journal of Medical Case Reports
Tokai University
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Yamauchi et al. (Tue,) studied this question.
www.synapsesocial.com/papers/69d8946e6c1944d70ce05554 — DOI: https://doi.org/10.1186/s13256-026-06002-1