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Published on: December 26, 2013
Macrophage Activation Syndrome in Children: Diagnosis and Management
Narendra Kumar Bagri1, Latika Gupta2, Ethan S Sen3
1Division of Pediatric Rheumatology, Department of Pediatrics, AIIMS, New Delhi; India. Correspondence to: Dr Narendra Kumar Bagri, Associate Professor, Division of Pediatric Rheumatology, Department of Pediatrics, All India Institute of Medical Sciences, New Delhi 110 027, India. drnarendrabagri@yahoo.co.in.
Insights
Macrophage activation syndrome, a severe complication in pediatric rheumatology, involves a cytokine storm leading to hemophagocytic lymphohistiocytosis. Early diagnosis and treatment are crucial to prevent organ failure and death.
Area of Science:
- Pediatric Rheumatology
- Immunology
- Critical Care Medicine
Background:
- Macrophage activation syndrome (MAS) is a life-threatening condition.
- It is a form of secondary hemophagocytic lymphohistiocytosis (HLH).
- MAS is characterized by a hyper-inflammatory state driven by a cytokine storm.
Purpose of the Study:
- To review the clinical and laboratory features of MAS.
- To outline the management strategies for MAS in pediatric patients.
- To emphasize the importance of early diagnosis and treatment.
Main Methods:
- Literature review of pediatric rheumatology cases.
- Analysis of clinical presentations and laboratory findings in MAS.
- Synthesis of current therapeutic guidelines for MAS.
Main Results:
- MAS presents with diverse clinical signs and symptoms.
- Key laboratory markers include elevated ferritin, triglycerides, and liver enzymes.
- Prompt recognition and intervention significantly improve outcomes.
Conclusions:
- MAS requires prompt diagnosis and aggressive management.
- Multidisciplinary care is essential for optimal patient outcomes.
- Further research is needed to refine diagnostic criteria and therapeutic approaches.
Abstract:
Macrophage activation syndrome is a severe yet under-recognized complication encountered in pediatric rheumatology. It manifests as secondary hemophagocytic lymphohistiocytosis leading to a hyper-inflammatory state resulting from an underlying cytokine storm. If unchecked, it may lead to multiorgan failure and mortality. Early diagnosis and timely initiation of specific therapy is pivotal for a successful outcome. This review outlines the key clinical and laboratory features and management of macrophage activation syndrome.

