necessitates prompt investigation. TNE allows direct visualization of the esophageal mucosa without the need for sedation and facilitates early detection of structural abnormalities such as strictures, lesions, or tumors. Therefore, it serves as an effective and accessible tool in the clinical assessment and early diagnosis of esophageal dysphagia (Clinical Diagnosis Using Transnasal Esophagoscopy, 2024).

Dysphagia may manifest as the result of autonomic nervous system pathologies including