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Article

Clinical and endoscopic features of esophageal tuberculosis: a 20-year retrospective study

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Pages 1200-1204 | Received 01 Aug 2020, Accepted 14 Aug 2020, Published online: 03 Sep 2020
 

Abstract

Background

Tuberculosis of the esophagus is a rare clinical entity. There is a paucity of data on esophageal tuberculosis. This study aims to analyze the clinical and endoscopic features of esophageal tuberculosis over the last 20 years.

Methods

We retrospectively analyzed the data of 14 patients with esophageal tuberculosis between January 1999 to January 2019 at Nanfang Hospital. Tuberculosis was considered diagnostic if histopathological results showing epithelioid granuloma with or without caseous necrosis. Records of clinical features, imaging findings, endoscopic features and outcome of antitubercular treatment were evaluated.

Results

A total of 14 patients with definite esophageal tuberculosis were included. 7 patients (50%) presented with dysphagia, followed by 6 patients (42.86%) had retrosternal pain and another had cough (7.14%). On endoscopy, involvement of esophagus was observed at mid-segment mostly and findings included bulging lesions in 10 patients (71.43%), ulcer in 3 patients (21.43%), and tracheoesophageal fistula in 1 patient (7.14%). Endoscopic ultrasound showed a heterogeneous hypoechoic lesion with indistinct margins or interruption of the five layers structure of esophageal wall. Endoscopic ultrasound demonstrated mediastinal lymphadenopathy adjacent to esophageal pathology in 7/11(63.64%). Antitubercular treatment resulted in a good response with complete remission in all patients.

Conclusions

Esophageal tuberculosis is rare and frequently misdiagnosed due to the lack of diagnostic signs. There needs to be a high index of clinical suspicion among patients with dysphagia or retrosternal pain. Endoscopic biopsy and endoscopic ultrasound-guided FNA can help in achieving the correct diagnosis in esophageal tuberculosis.

Author contribution

Side Liu designed the study. Jing Xiong performed the extraction of the data and made the analysis. Guo Wen performed the EUS examination. Jing Xiong drafted the manuscript. Yandong Guo and Lanbo Gong provided part of the cases and helped to revise the manuscript. All authors have read and approved the final version of this manuscript.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by the National Natural Science Foundation of China [grant number 81700489]; Science and Technology Project of Guangzhou [grant number 201707010276]; and the Natural Science Foundation of Guangdong Province [grant number 2017A030313578].

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