Introduction: Endoscopic ultrasound (EUS) is an essential component of preoperative staging for esophageal cancer and is used to determine which patients should proceed to primary surgical resection or receive neoadjuvant therapy prior to surgery. However, when the EUS scope cannot traverse a tumor, the role of pre-dilatation is controversial due to the risk of perforation.
Methods: A retrospective review was conducted of all patients with esophageal tumor stenosis that could not accommodate the EUS scope who then proceeded with primary esophagectomy. The pathology results were classified based on the revised seventh edition American Joint Committee on Cancer staging system.
Results: A total of 27 patients met inclusion criteria. The majority of tumors were T3 (24/27, 89 %). There were no stage I tumors, 15 % (4/27) were stage II, 81 % (22/27) were stage III, and 4 % (1/27) were stage IV due to a resected solitary lung metastasis.
Conclusion: Tumors that cannot be assessed with an EUS scope due to tumor stenosis will have locally advanced disease in the majority of cases. In these situations, pre-dilatation of the tumor with EUS staging should be omitted when considering the risk of potential esophageal perforation and the patients should be referred for neoadjuvant therapy.
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