Review for 10.1186/s12876-020-01432-7 (2020)

Reviewer’ s report
Title: EUS in diagnosis of pathologically undiagnosed esophageal tuberculosis
Version: 1Date: 21 May 2020
Reviewer's report:1.Reference to first line- Please quote original reference and figure
2.Methods- What about all other patients diagnosed with ET -by endoscopic biopsy or EUS FNA?
Are there any? If yes mention number as denominator. Also, what are EUS features in those cases?Any difference or they corroborate with same as cases presented here?3.Reference number 4- is authors name not correctly cited.4.There are multiple studies on role of EUS in ET. There are not mentioned. (e.g. Rana SS et al,Puri R et al) and compared.5.Kindly mentioned these studies and compare.6.All your cases are secondary ET. Please mention this clearly in discussion. As EUS findingsPrimary and secondary differs.7.Primary differential of secondary ETB is malignancy to which EUS actually can help albeit notin all cases. Please discuss this.8.The classification you put Type1,2,3 of ETB- The reference given doesn't have mention of suchclassification. Please check.9. The flaw in the study is that gold standard diagnosis (caseating granuloma and AFB) is absent,it should be clearly mentioned.10.Also, mentioned whether FNAC done in all or not, if yes how many attempts. Also mentionbacteriological studies whether done or not? If yes, which one?11.Whether FNAB on EUS tried , there is published study of FNAB. If yes, please mention same.
12.You mentioned miniprobe use. Any advantage over routine EUS. If yes, please mention. Any
different or additional findings picked by it-please mention.
Are the methods appropriate and well described?
If not, please specify what is required in your comments to the authors.
YesDoes the work include the necessary controls?
If not, please specify which controls are required in your comments to the authors.
YesAre the conclusions drawn adequately supported by the data shown?
If not, please explain in your comments to the authors.
Yes
Are you able to assess any statistics in the manuscript or would you recommend an
additional statistical review?If an additional statistical review is recommended, please specify what aspects require furtherassessment in your comments to the editors.
I am able to assess the statisticsQuality of written English
Please indicate the quality of language in the manuscript:
Acceptable
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