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Kranz LA, Hahn WS, Thompson WS, Hentz R, Kobrinsky NL, Galardy P, Greenmyer JR. Neonatal hemophagocytic lymphohistiocytosis: A meta-analysis of 205 cases. Pediatr Blood Cancer 2024; 71:e30894. [PMID: 38296838 DOI: 10.1002/pbc.30894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/03/2024] [Accepted: 01/16/2024] [Indexed: 02/02/2024]
Abstract
BACKGROUND Neonatal hemophagocytic lymphohistiocytosis (nHLH), defined as HLH that presents in the first month of life, is clinically devastating. There have been few large descriptive studies of nHLH. OBJECTIVES The objective of this study was to perform a meta-analysis of published cases of nHLH. METHODS A comprehensive literature database search was performed. Cases of HLH were eligible for inclusion if clinical analysis was performed at age ≤30 days. Up to 70 variables were extracted from each case. RESULTS A total of 544 studies were assessed for eligibility, and 205 cases of nHLH from 142 articles were included. The median age of symptom onset was day of life 3 (interquartile range [IQR]: 0-11, n = 141). Median age at diagnosis was day of life 15 (IQR: 6-27, n = 87). Causes of HLH included familial HLH (48%, n = 99/205), infection (26%, n = 53/205), unknown (17%, n = 35/205), macrophage activation syndrome/rheumatologic (2.9%, n = 4/205), primary immune deficiency (2.0%, n = 5/205), inborn errors of metabolism (2.4%, n = 5/205), and malignancy (2.0%, n = 4/205). Fever was absent in 19% (n = 28/147) of all neonates and 39% (n = 15/38) of preterm neonates. Bicytopenia was absent in 26% (n = 47/183) of patients. Central nervous system (CNS) manifestations were reported in 63% of cases (n = 64/102). Liver injury (68%, n = 91/134) and/or liver failure (24%, n = 32/134) were common. Flow cytometry was performed in 22% (n = 45/205) of cases. Many patients (63%, n = 121/193) died within the period of reporting. Discernable values for HLH diagnostic criteria were reported between 30% and 83% of the time. CONCLUSIONS Evaluation of nHLH requires rapid testing for a wide range of differential diagnoses. HLH diagnostic criteria such as fever and bicytopenia may not occur as frequently in the neonatal population as in older pediatric populations. Neurologic and hepatic manifestations frequently occur in the neonatal population. Current reports of nHLH suggest a high mortality rate. Future publications containing data on nHLH should improve reporting quality by reporting all clinically relevant data.
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Affiliation(s)
- Lincoln A Kranz
- University of North Dakota School of Medicine, Grand Forks, North Dakota, USA
| | - Wyatt S Hahn
- University of North Dakota School of Medicine, Grand Forks, North Dakota, USA
| | - Whitney S Thompson
- Mayo Clinic, Neonatal and Perinatal Medicine, Clinical Genomics, Center for Individualized Medicine, Rochester, Minnesota, USA
| | - Roland Hentz
- Department of Quantitative Health Sciences, Division of Clinical Trials and Biostatistics, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Paul Galardy
- Pediatric Hematology and Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - Jacob R Greenmyer
- Pediatric Hematology and Oncology, Hospice and Palliative Medicine, Mayo Clinic, Rochester, Minnesota, USA
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Wagner Y, Adam D, Pomeranz Engelberg G, Pomeranz A, Messinger YH. HLH Syndrome in a Community Hospital: The Challenge of an Early Diagnosis. Pediatric Health Med Ther 2024; 15:111-120. [PMID: 38469429 PMCID: PMC10926863 DOI: 10.2147/phmt.s446681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 02/16/2024] [Indexed: 03/13/2024] Open
Abstract
Introduction Hemophagocytic lymphohistiocytosis (HLH) is a potentially fatal hyperinflammatory cytokine storm. It can be secondary to infections, malignancies, autoimmune diseases, or the manifestation of genetic disorders, including primary immune deficiency. HLH requires a high index of suspicion and is challenging for community hospitals. Methods Medical records of children with HLH admitted to the Meir Medical Center in Israel between 2014 and 2017 were reviewed. Results Nine children met ≥5/8 HLH-2004 criteria. The median age was 1.1 year, and 78% of the patients were aged <2 years. All patients had prolonged fever, cytopenia, and elevated soluble interleukin-2 receptor, and 89% had elevated ferritin levels. Of three children who underwent gene panel evaluation, one had heterozygote genetic variants of UNC13D and STXBP2 of unclear significance, whereas the other two had no variants. Infection was identified in 8 of 9 patients: adenovirus, HHV6, EBV, and Streptococcus Group A. Only 2 patients received HLH-2004 therapy (dexamethasone, etoposide, cyclosporin-A) and the others received dexamethasone and/or intravenous gamma globulins (IVIG), with rapid resolution of fever (median 2 days). One patient (11%) died of Pseudomonas septicemia and multiorgan failure. At a median follow-up of 7 years (range 2.6-8.1 years), all others (8/9) are long-term survivors with no recurrent HLH, but 2 patients developed adenovirus-related bronchiolitis obliterans. Conclusion Children presenting with prolonged fever and abnormal blood counts should be evaluated with ferritin, triglycerides, and fibrinogen levels which indicate possible HLH. Early intervention with corticosteroids and/or IVIG may prevent deterioration, spare them from chemotherapy and provide time for more elaborate testing to identify true HLH. Unfortunately, mortality remains a significant risk for these children.
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Affiliation(s)
- Yuval Wagner
- Pediatric Department, Meir Medical Center, Kfar Saba, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Dganit Adam
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
- Pediatric Intensive Care Unit, Meir Medical Center, Kfar Saba, Israel
| | - Galit Pomeranz Engelberg
- Pediatric Department, Meir Medical Center, Kfar Saba, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Avishalom Pomeranz
- Pediatric Department, Meir Medical Center, Kfar Saba, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Yoav H Messinger
- Department of Hematology-Oncology, Children’s Hospitals of Minnesota, Minneapolis, MN, USA
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Hauck J, Gerard A, Crowe JE, Martinez CA, Machol K. Transient Generalized Osteosclerosis in a Newborn Mimicking Congenital Osteopetrosis with Negative Comprehensive Genetic Workup: A Case Report. JOURNAL OF PEDIATRICS. CLINICAL PRACTICE 2024; 11:200100. [PMID: 38827482 PMCID: PMC11138251 DOI: 10.1016/j.jpedcp.2024.200100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/04/2024] [Accepted: 02/04/2024] [Indexed: 06/04/2024]
Abstract
We present a newborn with transient generalized osteosclerosis and negative genetic workup. The etiology of this condition is unknown. Given overlapping radiologic signs with severe forms of osteopetrosis, familiarity with this condition is crucial for correct diagnosis and management.
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Affiliation(s)
- Jeffrey Hauck
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX
| | - Amanda Gerard
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX
- Department of Genetics, Texas Children’s Hospital, Houston, TX
| | - James E. Crowe
- Department of Radiology, Texas Children’s Hospital, Houston, TX
| | | | - Keren Machol
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX
- Department of Radiology, Texas Children’s Hospital, Houston, TX
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Vignesh P, Anjani G, Kumrah R, Singh A, Mondal S, Nameirakpam J, Jindal A, Suri D, Sharma M, Kaur G, Sharma S, Gupta K, Sreedharanunni S, Rawat A, Singh S. Features of Hemophagocytic Lymphohistiocytosis in Infants With Severe Combined Immunodeficiency: Our Experience From Chandigarh, North India. Front Immunol 2022; 13:867753. [PMID: 35812426 PMCID: PMC9260510 DOI: 10.3389/fimmu.2022.867753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 05/09/2022] [Indexed: 11/18/2022] Open
Abstract
Background Hemophagocytic lymphohistiocytosis (HLH) is characterized by uncontrolled and excessive inflammation leading to high mortality. Aetiology of HLH can be primarily due to genetic causes or secondarily due to infections or rheumatological illness. However, rarely T-cell deficiencies like severe combined immunodeficiency (SCID) can develop HLH. Objective To describe clinical and laboratory features of SCID cases who developed HLH. Methods We collected clinical, laboratory, and molecular details of patients with SCID who developed HLH at our center at Chandigarh, North India. Results Of the 94 cases with SCID, 6 were noted to have developed HLH-like manifestations. Male-female ratio was 5:1. Median (inter-quartile range) age of onset of clinical symptoms was 4.25 months (2-5 months). Median (inter-quartile range) delay in diagnosis was 1 month (1-3.5 months). Family history of deaths was seen in 4 cases. Molecular defects in IL2RG were seen in 5 out of 6 cases. Documented infections include disseminated bacillus calmette-guerin (BCG) infection (n=2), blood stream infections (n=3) with Staphylococcal aureus (n=1), Klebsiella pneumonia (n=1), and Pseudomonas aeruginosa (n=1), pneumonia (influenza H1N1 strain, and K. pneumoniae (n=1). Conclusion Children with SCID can present with HLH-like manifestations secondary to fulminant infections. A high index of suspicion of SCID is needed in infants who present with HLH who have an associated infection or a suggestive family history. Occurrence of HLH-like manifestations in SCID suggests that T-lymphocytes may not have a significant role in immunopathogenesis of HLH.
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Affiliation(s)
- Pandiarajan Vignesh
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
- *Correspondence: Pandiarajan Vignesh, ; Amit Rawat,
| | - Gummadi Anjani
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Rajni Kumrah
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ankita Singh
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Sanjib Mondal
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Johnson Nameirakpam
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Ankur Jindal
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Deepti Suri
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Madhubala Sharma
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Gurjit Kaur
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Sathish Sharma
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Kirti Gupta
- Department of Histopathology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Sreejesh Sreedharanunni
- Department of Hematology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Amit Rawat
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
- *Correspondence: Pandiarajan Vignesh, ; Amit Rawat,
| | - Surjit Singh
- Allergy Immunology Unit, Department of Pediatrics, Advanced Pediatrics Centre, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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