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Article History

Received: 22 July 2022

Accepted: 2 October 2022

First Online: 29 October 2022

Declarations

:

: The present study was approved by the Al-Azhar Medical Research Ethics Committee. The research ethics committee at Faculty of Medicine Al-Azhar University (Assiut) is independent organized committee operating according to international guidelines including the Declaration of Helsinki, Islamic organization for medical science, World health organization and international council on harmonization and good clinical practice. The committee’s reference number: the number of meeting code is 3-2021 and the number of paper code is 8. The updated ethical code is MSR/AZ.AST./ENT030/45/212/10/2022 and the approval date is 11-10-2022. Consent for participate: informed verbal consent from the parents of the children under the age of 16 years old. As the study was a retrospective analysis of the patient’s data in tertiary care unit, only verbal consent from the patients upon primary investigation.

: Written informed consent for publication from the parent of the child with CT petrous image in the manuscript.

: The author declares no competing interests.