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听着让人纠心。不是内行，查了一下，看到这abstract

Hyperferritinemia and Fever in Adults

https://acrabstracts.org/abstract/hyperferritinemia-and-fever-in-adults/ [ 链接：acrabstracts.org/abstract/hyperferritinemia-and-fever-in-adults/ ]

Background/Purpose: Clinical associations of hyperferritinemia include: hepatocellular injury, hemophagocytic lymphohistiocytosis (HLH), hematologic malignancy, adult-onset Still’s disease (AOSD), and iron overload. Fever of undetermined origin (FUO) may or may not co-exist with hyperferritinemia in adults. The aim of this study was to describe the associations of with hyperferritinemia and FUO in adults.

Conclusion: Although hyperferritinemia commonly indicates liver disease and hemochromatosis, clinicians should be aware that hyperferritinemia in conjunction with FUO is a reliable marker for more complex diagnoses such as HLH, AOSD or SLE, especially when ferritin levels are extremely high.