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Severe cerebral involvement in adult-onset hemophagocytic lymphohistiocytosis.


ABSTRACT: The diagnosis of hemophagocytic lymphohistiocytosis (HLH) with cerebral involvement is challenging given the rarity of HLH and its resemblance to the much more common severe sepsis. Timely diagnosis and treatment may be lifesaving. We report two cases demonstrating different and rare forms of severe brain involvement in adult patients with HLH: acute necrotizing encephalopathy, and diffuse hemorrhagic disease due to disseminated intravascular coagulation. Severe HLH with brain involvement in adults is rare. HLH with cerebral involvement should be considered in patients presenting with severe systemic inflammatory response syndrome (SIRS) but negative cultures and unusual or unexpectedly severe clinical and/or radiologic signs of cerebral dysfunction. Similar brain injury may occur in patients with cytokine storm syndrome due to COVID-19. BACKGROUND: Hemophagocytic lymphohistiocytosis (HLH) presents with fevers, rash, organomegaly, cytopenia, and increased triglycerides and ferritin (Ramos-Casals et al., 2014) [1]. Neurologic abnormalities are reported in about one-third of patients (Cai et al., 2017), including a few cases of acute necrotizing encephalopathy (ANE) (Xiujuan et al., 2015). Coagulation abnormalities are frequent in HLH patients (Valade et al., 2015). OBJECTIVE: To raise awareness about the importance of early diagnosis and treatment of HLH with neurological involvement to prevent serious complications and demise.

SUBMITTER: Radmanesh F 

PROVIDER: S-EPMC7162634 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Severe cerebral involvement in adult-onset hemophagocytic lymphohistiocytosis.

Radmanesh Farid F   Rodriguez-Pla Alicia A   Pincus Michael D MD   Burns Joseph D JD  

Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 20200416


The diagnosis of hemophagocytic lymphohistiocytosis (HLH) with cerebral involvement is challenging given the rarity of HLH and its resemblance to the much more common severe sepsis. Timely diagnosis and treatment may be lifesaving. We report two cases demonstrating different and rare forms of severe brain involvement in adult patients with HLH: acute necrotizing encephalopathy, and diffuse hemorrhagic disease due to disseminated intravascular coagulation. Severe HLH with brain involvement in adu  ...[more]

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