Vagus nerve schwannoma presenting with dysphagia and prolonged cachexia: a case report

Intraabdominal schwannomas are rare tumors mostly occur in patients with neurofibromatosis. Tumors arisen from vagus nerve are rarer especially in sporadic cases. A 34-year-old man admitted in surgery ward Milad Hospital, in Tehran, Iran with long-lasting vomiting, dysphagia, and cachexia for four years. Multiple previous paraclinical assessments were normal, he had been treated as anorexia nervosa for three years without improvement. Our evaluations showed a mass in diaphragmatic hiatus. Explorative laparotomy revealed a mass parallel to distal esophagus, which was resected completely. Immunohistochemical examinations revealed a benign schwannoma