Complete Blood Count Markers of Infection in Anti-interferon-γ Autoantibody-Associated Immunodeficiency with Reactive Dermatoses

Authors

  • Chudapa Sereeaphinan Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
  • Penvadee Pattanaprichakul Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
  • Sumanas Bunyaratavej Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
  • Pattriya Jirawattanadon Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
  • Nasikarn Angkasekwinai Division of Infectious Diseases and Tropical Medicine, Department of Internal Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
  • Weerapat Owattanapanich Division of Hematology, Department of Internal Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
  • Charussri Leeyaphan Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand

DOI:

https://doi.org/10.33192/smj.v78i7.280076

Keywords:

Adult-onset immunodeficiency syndrome, anti–interferon-gamma autoantibodies, reactive dermatoses, concurrent infection

Abstract

Objective: To identify clinical and laboratory parameters associated with infections in patients with reactive dermatoses.

Materials and Methods: This retrospective study reviewed the medical records of patients diagnosed with adult onset
immunodeficiency syndrome caused by anti-interferon-gamma autoantibodies. Clinical data, laboratory findings, and information on concurrent infections were analyzed.

Results: Of the 147 patients reviewed, 62 (42.2%) presented with reactive dermatoses, accounting for 135 episodes. Patients with concurrent infections had significantly lower mean corpuscular volume (78.5 vs. 84.9 fL; p=0.039). In contrast, red cell distribution width (16.2 vs. 14.1%; p=0.005), white blood cell count (20.96 vs. 15.56 ×103/μL; p=0.037), absolute neutrophil count (15.76 vs. 11.14 ×103/μL; p=0.038), and platelet count (414.5 vs. 376.0 ×103/μL; p=0.023), were significantly higher in infected episodes than in non-infected episodes.

Conclusion: In patients presenting with reactive dermatoses, laboratory parameters derived from the routine complete blood count can serve as valuable indicators of increased risk for concurrent infections, enabling prompt diagnosis and targeted management.

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Published

01-07-2026

How to Cite

Sereeaphinan, C., Pattanaprichakul, P., Bunyaratavej, S., Jirawattanadon, P., Angkasekwinai, N., Owattanapanich, W., & Leeyaphan, C. (2026). Complete Blood Count Markers of Infection in Anti-interferon-γ Autoantibody-Associated Immunodeficiency with Reactive Dermatoses: . Siriraj Medical Journal, 78(7), 479–487. https://doi.org/10.33192/smj.v78i7.280076

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