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Author
Nishiwaki, Masatake Department of General Internal Medicine, Rakuwakai Otowa Hospital
Hagiya, Hideharu Division of Infection Control and Prevention, Osaka University Hospital
Kamiya, Toru Division of Infectious Diseases, Rakuwakai Otowa Hospital
Abstract
Kikuchi-Fujimoto disease (KFD) is a benign cause of self-limiting subacute necrotizing lymphadenitis. KFD is rarely complicated with reactive hemophagocytic lymphohistiocytosis (HLH), and the clinical features of the simultaneous occurrence of these conditions are uncertain. A 30-year-old Japanese man with a persistent fever and sore throat presented to our hospital for treatment. Laboratory analysis showed bicytopenia, and radiological studies showed systemic lymphadenopathy accompanied by splenomegaly. A bone marrow examination showed hemophagocytic macrophages, suggesting HLH. Malignant lymphoma was suspected as a possible underlying disease, but the histology of the lymph nodes led to a final diagnosis of KFD and treatment with prednisolone (1 mg/kg/day), resulting in clinical improvement. This case highlighted the importance and difficulty of differentiating KFD from malignant lymphoma as an underlying condition of HLH. The literature review showed that patients with HLH-associated KFD may have higher serum ferritin and lactate dehydrogenase levels compared to typical KFD cases. Definite diagnosis based on pathological examination is essential for a better understanding of this rare disease. The presence of systemic lymphadenopathy does not exclude the possibility of KFD. This case serves to remind physicians that KFD is a potential etiology of HLH.
Keywords
hemophagocytic lymphohistiocytosis
hemophagocytic syndrome
histiocytic necrotizing lymphadenitis
Kikuchi disease
Kikuchi-Fujimoto disease
Amo Type
Case Reports
Published Date
2016-10
Publication Title
Acta Medica Okayama
Volume
volume70
Issue
issue5
Publisher
Okayama University Medical School
Start Page
383
End Page
388
ISSN
0386-300X
NCID
AA00508441
Content Type
Journal Article
language
英語
Copyright Holders
CopyrightⒸ 2016 by Okayama University Medical School
File Version
publisher
Refereed
True
PubMed ID
Web of Sience KeyUT