Journal of Hematology, ISSN 1927-1212 print, 1927-1220 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Hematol and Elmer Press Inc
Journal website https://jh.elmerpub.com

Case Report

Volume 14, Number 6, December 2025, pages 324-328


A Complex Case of Hemophagocytic Lymphohistiocytosis Secondary to Untreated Hepatitis C: Diagnostic Challenges

Figure

↓  Figure 1. HLH treatment timeline.
Figure 1.

Table

↓  Table 1. Summary of Infectious Workup by Sample Source
 
Sample source Test Result
AFB: acid-fast bacilli; CMV: cytomegalovirus; CSF: cerebrospinal fluid; EBV: Epstein-Barr virus; HCV: hepatitis C virus; HIV: human immunodeficiency virus; HSV: herpes simplex virus; NAAT: nucleic acid amplification testing; PCR: polymerase chain reaction; VZV: varicella-zoster virus.
Serum EBV NAAT Detected, not quantifiable
Serum HIV Negative
Serum Parvovirus IgM Negative
Serum CMV IgM Negative
Serum CMV NAAT Not detected
Serum Hepatitis A IgM Negative
Serum Hepatitis B surface antigen Negative
Serum HCV antibody Positive
Serum Blastomyces dermatitidis antibodies 2.2 IV (Ref: ≤ 0.9)
Serum Histoplasma antigen Not detected
Serum VZV by PCR Not detected
Serum HSV1 + HSV2 by PCR Not detected
Serum Meningitis encephalitis panel Negative
Serum HCV NAAT 15,460,350 IU/mL
CSF Bacterial culture Negative
CSF Fungal culture Negative
CSF AFB culture Negative
CSF Meningitis encephalitis panel Negative
Bone marrow Bacterial culture Negative
Bone marrow Fungal culture Negative
Bone marrow AFB culture Negative
Sputum AFB culture (× 3) Mycobacterium porcinum
Blood AFB blood culture Negative
Blood Fungal blood culture Negative