Conflict of interest

On behalf of all authors, the corresponding author states that there is no conflict of interest.

Ethical approval

The case report for this ‘lessons for the clinical nephrologist' paper was written with the consent of the patient.

Human and animal rights

The present study complies with the guidelines for human studies. This study does not contain any studies with animals.

Informed consent

Written informed consent was obtained from the patient’s parents for the publication of this case report and accompanying images.