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  • 804
  • 2019-12-18

Right thoracoscopic mediastinal mass resection and bronchial injury repair

Epublication WebSurg.com, Dec 2019;19(12). URL:
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The objective is to demonstrate our technique for thoracoscopic mediastinal mass excision with concomitant bronchial injury repair. A 13-year-old boy presented with one-month of dysphagia and a history of a recent tick bite prophylactically treated. Esophagram showed a mid-esophageal externally compressing mass confirmed by endoscopy. Chest MRI showed a 5cm mediastinal mass. Differential diagnosis included infected esophageal duplication cyst versus histoplasmoma. A thoracoscopic mass resection was scheduled. Upon accessing the right chest, a mid-thoracic lesion next to the esophagus was noted. The mass was adherent to the esophageal wall during dissection. Intraoperative biopsy revealed a cottage cheese-like substance in the mass. Frozen section suspected a duplication cyst in the esophageal musculature. As a result, we proceeded with the resection. The cavity was then irrigated and some fluid was noted at the endotracheal tube. A 5mm right mainstem bronchus tear was found. Flexible bronchoscopy was used to repair the injury with absorbable sutures. The mass was removed from the esophageal wall and repaired with absorbable sutures. A small pleural flap was created to prevent the sutures from communicating. The patient had a small persistent pneumothorax several days postoperatively. Repeat flexible bronchoscopy showed no leak or narrowing on postoperative day (POD) 7. The patient was discharged home on POD 8. Final pathology showed a mediastinal lymph node with a non-caseating granuloma. He had positive antibodies to Francisella tularensis (tularemia Ab). His final diagnosis was mediastinal tularemia. This video demonstrates mediastinal mass diagnostic and treatment challenges. It also shows that concomitant bronchial injuries are safe and effective to repair thoracoscopically.