A Case of Ganglioneuroma Resected by the Transdiaphragmatic Approach.

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We report a case of low mediastinal posterior ganglioneuroma showing no clinical manifestation and detected accidentally at a routine health examination in an 18-year-old woman. She was admitted to the institute to evaluate a mass detected by a chest X-ray film. A computed tomographic scan and a magnetic resonance imaging scan revealed a mediastinal posterior mass located in the lowest position of the thorax. The mass was adjacent to the liver and diaphragm but did not have a dumb-bell shape. We suspected a neurogenic tumor of the posterior mediastinum. Preoperative examinations of the mass revealed 131I-MIBG uptake and no secretory activities of catecholamines and steroids. We chose the transdiaphragmatic approach to resect this posterior mediastinal tumor. With this approach to the tumor, we had a wide view during the operation and were able to resect the tumor completely and safely. The pathological findings showed a ganglioneuroma mass without malignant findings. Her postoperative course was uneventful and she was discharged from the institute 19 days after the operation.
日本臨床外科学会の論文