Background: Submucosal oesophageal squamous cell carcinoma is a quite infrequent and special type of oesophageal cancer. Its endoscopic manifestations are similar to those of submucosal oesophageal lesions, so it is easily ignored or misdiagnosed. Thus, the exact and timely diagnosis of oesophageal subepithelial lesions (SELs) is crucial. Endoscopic submucosal dissection (ESD) improves the diagnosis rate of malignant SELs without specific endoscopic presentations.
Case Presentation: We report a 63-year-old patient with submucosal lesions of the oesophagus under endoscopy, but CT suggested mediastinal lymphadenectasis. Thus, there was a contradiction between them. After multidisciplinary consultation, endoscopic submucosal dissection (ESD) resection was finally recommended. The lesion was completely resected by endoscopic submucosal dissection. Postoperative pathology reported poorly differentiated squamous cell carcinoma, and subsequent PET-CT examination provided clarity, revealing mediastinal lymph node metastasis.
Conclusions: Not all oesophageal SELs are benign, and a small number of SELs can be malignant. Submucosal oesophageal squamous cell carcinoma is a rare disease that may be characterized by oesophageal subepithelial lesions (SELs). Therefore, the precise and timely diagnosis of SELs is essential. If it is necessary to obtain lesion tissue for a definite diagnosis, ESD with less invasiveness is an excellent choice.
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| http://dx.doi.org/10.1186/s12876-022-02169-1 | DOI Listing |
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