First case of hemophagocytic lymphohistiocytosis secondary to cabozantinib with checkpoint inhibitors Arianna E Azari, Arianna E Azari Centre for Rheumatology, Royal Free Hospital and University College Medical School, London, UK Correspondence to: Arianna Azari, Rheumatology Department, Royal Free Hospital, Pond Street, London NW3 2QG, UK. E-mail: arianna.azari@gmail.com https://orcid.org/0000-0003-1887-047X Search for other works by this author on: Oxford Academic PubMed Google Scholar Richard Stratton, Richard Stratton Centre for Rheumatology, Royal Free Hospital and University College Medical School, London, UK Search for other works by this author on: Oxford Academic PubMed Google Scholar Animesh Singh Animesh Singh Centre for Rheumatology, Royal Free Hospital and University College Medical School, London, UK Search for other works by this author on: Oxford Academic PubMed Google Scholar Rheumatology, Volume 60, Issue 5, May 2021, Pages e167–e168, https://doi.org/10.1093/rheumatology/keaa750 Published: 06 December 2020 Article history Received: 22 July 2020 Revision received: 03 October 2020 Accepted: 07 October 2020 Published: 06 December 2020