瑞斯托西汀
血小板
病理
伯纳德-苏利尔综合征
医学
超微结构
免疫学
疾病
血小板聚集
作者
Rachel Redman,Sara M. Shunkwiler,Neil Harris,Amos Kedar,William L. Clapp
出处
期刊:Laboratory Hematology
[Carden Jennings Publishing Co.]
日期:2008-09-01
卷期号:14 (3): 19-23
被引量:1
摘要
Sebastian syndrome is characterized by enlarged platelets and Döhle-like body leukocyte inclusions. This syndrome is an MYH-9-related disease, a group that also includes May-Hegglin anomaly and Fechtner syndrome. The differential diagnosis of the MYH-9 diseases requires ultrastructural studies. Certain in vitro aggregation responses may be abnormal in these conditions.A 6-month-old boy presented with macrothrombocytopenia but no overt bleeding tendency. Giant platelets and Döhle-like body leukocyte inclusions were present in blood smears from both the patient and his mother. Electron microscopy confirmed ultrastructural features consistent with Sebastian syndrome. Platelet aggregation studies were normal except for an impaired response to the agonist ristocetin.In this patient peripheral blood analyses and platelet aggregation studies revealed disease features shared with the Bernard-Soulier syndrome, but this syndrome was excluded by cellsurface glycoprotein analysis.
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