Cervical Sympathetic Chain Schwannoma Masquerading as a Vagus Nerve Schwannoma Complicated by Postoperative Horner's Syndrome and Facial Pain: A Case Report

This case report examines postoperative outcomes and improves clinician awareness of the potential for misdiagnosis of a rare neoplasm and the recently improved diagnostic measures, providing for higher quality preoperative counseling. Future research is recommended to confirm and improve diagnostic guidelines and accuracy. Additional studies may focus on evaluating the effects of incorrect preoperative diagnosis on postoperative complication rates.