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  • Title: [Mediastinoscope-Assisted Transhiatal Esophagectomy for Esophageal Gastrointestinal Stromal Tumor(GIST)-A Case Report].
    Author: Tamai M, Shiozaki A, Fujiwara H, Konishi H, Kiuchi J, Ohashi T, Shimizu H, Arita T, Yamamoto Y, Morimura R, Kuriu Y, Ikoma H, Kubota T, Okamoto K, Otsuji E.
    Journal: Gan To Kagaku Ryoho; 2021 Dec; 48(13):2039-2041. PubMed ID: 35045486.
    Abstract:
    A 71-year-old woman was referred to our hospital because of an esophageal submucosal tumor. Esophagogastroduodenoscopy revealed a submucosal tumor of 40×25 mm with ulceration in the lower thoracic esophagus and endoscopic ultrasonographic fine needle aspiration histology showed KIT(+), CD34(+), DOG-1(+), desmin(-), S-100 protein(-). We diagnosed esophageal GIST and performed mediastinoscope-assisted transhiatal esophagectomy with gastric tube reconstruction. Histopathological findings showed c-kit(+), Ki-67 index of 8%, and middle-risk GIST by the modified- Fletcher classification. Mediastinoscope-assisted transhiatal esophagectomy is useful in terms of shortening total operative time and preventing respiratory complications because it does not require thoracic operation, one-lung ventilation, or repositioning. Subtotal esophagectomy under a mediastinal approach could secure a margin for resection, which may reduce the risk of recurrence, and could be one of the surgical procedures for esophageal GIST.
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