Ethical approval and consent to publication
This case study was ethically approved by the Institutional Review Committee, B P Koirala Institute of Health Sciences, Dharan, Nepal. Written informed consent from the patient and her guardian for the publication of the case study was taken.
Conflict of interest: nothing to disclose
Funding : none
Data statement: All relevant data about this patient is in the case report, and further data about the patient can be made available on request