Linn Hereide Trovik1, Miriam Sandnes2, Bjørn Blomberg1,2, Gunhild Holmaas3, Aymen Bushra Ahmed1, 1, Olav Vintermyr4,5 & Håkon Reikvam ORCID: orcid.org/0000-0001-5439-84111,2 Journal of Medical Case Reports volume 14, Article number: 217 (2020) Cite this article 779 Accesses 1 Altmetric Metrics details Abstract Background Hemophagocytic lymphohistiocytosis (HLH) is a rare heterogenous genetic or acquired hyperinflammatory syndrome associated with a high degree of morbidity and mortality.