Objectives: The application of endoscopic ultrasonography (EUS) in the diagnosis of the esophageal carcinoma with the imaging modalities of the tumor and local lymph nodes infiltration. Patient and method: totally 60 esophageal carcinoma patients confirmed by the endoscopic ultrasonography (EUS) were included. Results: 100 percent the esophageal tumors presented hypoechoic lesion which was 55 X 33.07mm in overall length, 13.33mm in the hypoechoic thickening of the esophageal wall. The anatomical locations of the tumor were classified as upper onethird, middle one-third and lower one-third with the prevalence were 11.7 percent, 36.7 percent and 51.7 percent, respectively. Thickened esophageal wall was evaluated as n, T2, T3 and T4 with 7.42mm, 8.84mm, 14.68mm and 21.7mm, respectively, p0.001. Totally 85. 7 percent of the local lymph nodes infiltration was confirmed (60.4 percent of patients). Conclusion: Endoscopic ultrasonography is the efficient diagnostic method for staging of the esophageal carcinoma by assessment the tumor infiltration (T) and the prevalence of lymph nodes metastasis (N).
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