Journal of the Korean Pediatric Society 1992;35(5):607-613.
Published online May 15, 1992.
Clinical Evaluation of Reactive Thrombocytosis in Childhood
Yoon Suck Suh, Young Yoo, Kwang Chul Lee, Joo Won Lee, Soon Kyum Kim
Department of Pediatrics, College of Medicine, Korea University, Seoul, Korea
소아에서의 이차적 혈소판 증가증의 임상적 고찰
서윤석, 유영, 이광철, 이주원, 김순겸
고려대학교 의과대학 소아과학교실
The platelet coiunt has not been part of routine hematologic profiles until recently, when the newer electronic blood cell counters began to include platelet count with all other blood cell counts. With the widespread use of newer generation electronic blood cell counters, elevated platelets coiunts are being encountered more ofter in pediatric practice. We reviewed all cases of marked thrombocytosis to assess the causes systemically and the complications in patients who were admitted to our pediatric department during the period of Aug, 1988-Jul. 1990. The results were as follwos; 1) The most common causes of elevated platelet count were as follows, in order of decreasing frequency; Infection(111,66%), connective tissue disease (24,14,2%), neonatal hyperbilirubinemia(8,4.7%) and hematologic disease(6,3.6%). 2) The mean maximum platelet count were 841,000/mm3 and found at a mean of 6.95.8days after diagnosis. 3) No thrombotic or hemorrhagic complications were encountered. Marked thrombocytosis is a benign common phenomenon in young children, but specific treatment is not required.
Key Words: Thrombocytosis

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