Thoracoscopic resection in a patient with esophageal submucosal tumor without radiotracer uptake on FDG-PET Takaaki HANYU 1 , Kazuhito YAJIMA 1 , Atsushi MATSUKI 1 , Takashi ISHIKAWA 1 , Katsuyoshi HATAKEYAMA 1 1Division of Digestive and General Surgery, Niigata University Graduate School of Medical and Dental Sciences Keyword: 食道粘膜下腫瘍 , 胸腔鏡下手術 , FDG-PET pp.71-77
Published Date 2011/2/15
DOI https://doi.org/10.11477/mf.4426100591
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 We report a patient with an esophageal submucosal tumor that was resected thoracoscopically after its malignancy was determined by preoperative F-18-fluorodeoxyglucose positron emission tomography(FDG-PET). A 44-year-old man was referred to our hospital with dysphagia that persisted for 13 months. Esophagography and endoscopy revealed an esophageal submucosal tumor measuring 3 cm at its largest diameter, located at the middle thoracic esophagus. Although the tumor did not show concentration on FDG-PET, surgical resection was carried out because of severe clinical presentation. Thoracoscopic extirpation of the tumor was performed with three ports and a mini-thoracotomy site measuring 5 cm. Resection was performed with endoscopic balloon dilator assistance, and esophageal adventitia and muscular layer were closed thoracoscopically by the interrupted suture technique. The postoperative course was uneventful and the patient was discharged on postoperative day 11. Histopathological and immunohistochemical examinations showed that the tumor was negative for c-kit and CD 34, and positive for SMA. These findings were compatible with esophageal leiomyoma.

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