Soluble interleukin-2 receptor is a sensitive diagnostic test in adult HLH

Author:

Hayden Anna1,Lin Molly1,Park Sujin1,Pudek Morris2,Schneider Marion3,Jordan Michael B.45,Mattman Andre2,Chen Luke Y. C.1ORCID

Affiliation:

1. Division of Hematology, Department of Medicine, and

2. Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, BC, Canada;

3. Division of Experimental Anesthesiology, University Hospital Ulm, Ulm, Germany; and

4. Division of Immunology and

5. Division of Bone Marrow Transplant and Immune Deficiency, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH

Abstract

Key Points The optimal cutoff for soluble interleukin-2 receptor in this study was 2515 U/mL (sensitivity, 100%; specificity, 72.5%). sIL-2r ≤2400 U/mL is helpful for ruling out HLH (sensitivity, 100%) and >10 000 U/mL is helpful for ruling it in (specificity, 93%).

Publisher

American Society of Hematology

Subject

Hematology

Reference18 articles.

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3. HLH-2004: diagnostic and therapeutic guidelines for hemophagocytic lymphohistiocytosis;Henter;Pediatr Blood Cancer,2007

4. Haemophagocytic syndromes in adults: current concepts and challenges ahead;Emmenegger;Swiss Med Wkly,2005

5. Conditions associated with extreme hyperferritinaemia (>3000 μg/L) in adults;Wormsbecker;Intern Med J,2015

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