Schwannoma originating from the recurrent laryngeal nerve in a thyroid cancer patient: A case report and review of the literature

Figure 1 Preoperative laryngoscopy revealed limited motion and low tension of the left vocal cord.

Figure 2 During the operation, a mass originating from the left recurrent laryngeal nerve was found (arrow).

Figure 3 The end-to-end anastomosed recurrent laryngeal nerve.

Figure 4 The resected tumor was a well-encapsulated solid mass measuring about 1. 0 cm × 0.5 cm.