Review for 10.1186/s12876-020-01381-1 (2020)

Reviewer’ s report
Title: Colon perforation due to cytomegalovirus infection in a patient with idiopathic
hypereosinophilic syndrome: a case report
Version: 0Date: 01 Jul 2020
Reviewer's report:
Please include all comments for the authors in this box rather than uploading your report as an
attachment. Please only upload as attachments annotated versions of manuscripts, graphs,supporting materials or other aspects of your report which cannot be included in a text format.Please overwrite this text when adding your comments to the authors.Dear authors,Thank you for presenting the case.please consider my concern and issuses regarding the casereport:1. CMV infection is the most common cause of colon perforation in immunocompromised hostlike HIV infection2. Chronic steroid users are predispose to colonic perforation.3. CMV infection or eosionophilic colitis after steroid use both could be the cause of colonperforation seperately and beleive that it could be just a co-insidence not a combinationeffect.How can you explain that?I am looking forward to hearing from you .Thank you again
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