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A child case of haemophagocytic syndrome associated with cryptococcal meningoencephalitis
K Numata1, H Tsutsumi, S Wakai
1Department of Pediatrics, Sapporo Medical University School of Medicine, Japan.
Insights
A previously healthy child developed severe meningoencephalitis and haemophagocytic syndrome (HPS) due to a cryptococcal infection. This rare case highlights cryptococcosis as a potential trigger for HPS in immunocompetent individuals.
Area of Science:
- Pediatrics
- Infectious Diseases
- Hematology
Background:
- Cryptococcus neoformans is an opportunistic pathogen that can cause severe infections, particularly in immunocompromised individuals.
- Meningoencephalitis is a serious inflammation of the brain and its surrounding membranes.
- Haemophagocytic syndrome (HPS) is a life-threatening condition characterized by excessive immune activation.
Observation:
- A previously healthy 12-year-old Japanese girl presented with meningoencephalitis caused by Cryptococcus neoformans.
- She experienced persistent high fever, pancytopenia, hypercytokinemia, and liver dysfunction.
- Bone marrow examination results strongly suggested a complication of haemophagocytic syndrome (HPS).
Findings:
- The cryptococcal infection was identified as the likely cause of HPS in this patient, as no other infectious agents were confirmed.
- The patient's condition progressed despite treatment, leading to acute respiratory failure.
- This case represents a potential first report of HPS triggered by cryptococcal infection in an otherwise healthy child.
Implications:
- This case underscores the importance of considering cryptococcal infections as a potential trigger for HPS, even in immunocompetent children.
- Early diagnosis and management of cryptococcal meningoencephalitis are crucial to prevent severe complications like HPS.
- Further research is needed to understand the mechanisms linking cryptococcosis and HPS in healthy individuals.
Abstract:
A previously healthy 12-year-old Japanese girl developed meningoencephalitis due to Cryptococcus neoformans. During the course of her illness she suffered persistent high fever, severe pancytopenia, hypercytokinemia and liver dysfunction. Laboratory findings, including results of a bone marrow examination, strongly indicated complication by haemophagocytic syndrome (HPS). The preceding cryptococcal infection was thought to be a cause of the HPS because no other viral or bacterial infection could be confirmed. The girl died of acute respiratory failure during the progressive course of HPS. This may be the first reported case of HPS due to cryptococcal infection in an otherwise healthy child.