Received: 12 December 2019
Accepted: 15 January 2020
First Online: 20 March 2020
Ethics approval and consent to participate
: This study was approved within the frame of the project “Experience of a Tertiary-Level Urology Center in the Clinical Urological Events of Rare and Very Rare Incidence” by the Ethical Committee of the Faculty of Medicine, Assiut University, Egypt. The reference approval number is not applicable. Also, it is a retrospective case series study with inclusive written patients’ consent to participate in academic research work, where all patients give this written consent on admission in our university hospital with full ethical considerations.
: Not applicable.
: The authors declare that they have no competing interests.