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Unusual hematologic disease affecting Caucasian children traveling to Southeast Asia: acquired platelet dysfunction
1Children's Haematology and Cancer Centre, Mount Elizabeth Hospital, Singapore.
Insights
A rare case of acquired platelet dysfunction with eosinophilia in a child traveling from Indonesia highlights the link between parasitic infections and bleeding disorders. Prompt antihelminthic treatment resolved symptoms, emphasizing its importance for travelers.
Area of Science:
- Hematology
- Tropical Medicine
- Pediatrics
Background:
- Acquired platelet dysfunction can manifest with bleeding symptoms.
- Eosinophilia is an elevation in eosinophil count, often associated with parasitic infections or allergic reactions.
Observation:
- An 11-year-old boy returning from Indonesia presented with a 5-month history of recurrent bruising and ecchymosis.
- Clinical evaluation revealed hypereosinophilia (7.4×10(9)/L) and microscopic observation of gray platelets, with normal platelet count.
Findings:
- Platelet aggregation tests confirmed a storage pool disorder, supporting the diagnosis of acquired platelet dysfunction with eosinophilia.
- The patient's bleeding symptoms and eosinophilia resolved completely within one month of completing antihelminthic therapy.
Implications:
- This case underscores the importance of considering parasitic infections in travelers presenting with unexplained bleeding disorders and eosinophilia.
- Hematologists should be aware of this unusual presentation in individuals returning from endemic areas like Southeast Asia.
- Antihelminthic therapy can be an effective treatment for this condition.
Abstract:
An 11-year-old American boy was staying with his family in Indonesia. He presented with a 5-month history of recurrent bruises and ecchymosis. A clinical diagnosis of acquired platelet dysfunction with eosinophilia was made when his full blood counts showed hypereosinophilia (7.4×10(9)/L) with normal platelet count and gray platelets under the microscope. The diagnosis was supported by abnormal platelet aggregation tests consistent with a storage pool disorder. The bleeding symptoms and eosinophilia resolved a month later with a full course of antihelminthic therapy. Hematologists should be aware of this unusual disease in travelers returning from the Southeast Asia.
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