This is the report to accompany the Evidence and Gap Map (EGM) on PANS/PANDAS. This report details the rationale, methods and findings of the EGM. Uploads This upload comprises the final report and supplementary materials, with a link to the original protocol and a link to the EGM. Funding This project was funded by the NIHR Evidence Synthesis Programme (grant number: NIHR153420). The views expressed are those of the author(s) and not necessarily those of the NIHR, the Department of Health and Social Care, or the UK Health Security Agency. Several authors were supported by NIHR Applied Research Collaboration South West Peninsula (PenARC). Prof G.J. Melendez-Torres is an NIHR Senior Investigator.