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Neonatal thrombocytosis following G-CSF treatment
Micky Osovsky1, Hannah Tamary, Paul Merlob
1Department of Neonatology, Schneider Children's Medical Center of Israel, Petah Tiqva and Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel. m_osovsky@yahho.com
Insights
Thrombocytosis, an elevated platelet count, is rare in children and often secondary. This case report introduces a potential new cause of thrombocytosis in newborns.
Area of Science:
- Pediatric Hematology
- Neonatal Medicine
- Oncology
Background:
- Thrombocytosis is defined as a platelet count exceeding 500,000/mm³.
- Primary thrombocytosis in pediatrics is rare, often indicating bone marrow disorders.
- Secondary thrombocytosis is a reactive process with various causes.
Observation:
- This case report focuses on a neonatal patient presenting with thrombocytosis.
- The specific cause in this neonatal case is being investigated.
- The report aims to identify a novel etiology for neonatal thrombocytosis.
Findings:
- Severe thrombocytosis can lead to bleeding and thrombosis.
- Secondary thrombocytosis generally carries a low risk of thromboembolic events without additional risk factors.
- This report contributes a potential new cause to the differential diagnosis of neonatal thrombocytosis.
Implications:
- Expanding the understanding of neonatal thrombocytosis causes.
- Potentially improving diagnostic approaches for thrombocytosis in newborns.
- Highlighting the importance of investigating rare causes in pediatric hematology.
Abstract:
Thrombocytosis is defined as an elevation of the platelet count to more than 500,000/mm(3). Primary thrombocytosis rarely occurs in the pediatric age group and is usually caused by a clonal bone marrow disorder. The more common phenomenon is secondary thrombocytosis which is a reactive process. Table 1 lists the main causes of secondary thrombocytosis. Complications of severe thrombocytosis include bleeding and thromboses. Unless additional risk factors are present, secondary thrombocytosis is not associated with a significant risk of thromboembolic events, regardless of the degree of elevation of the platelet count. The aim of this case report is to add a new possible cause of neonatal thrombocytosis.
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