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Platelet diameters in inherited thrombocytopenias: analysis of 376 patients with all known disorders

Noris, Patrizia ; Biino, Ginevra ; Pecci, Alessandro ; Civaschi, Elisa ; Savoia, Anna ; Seri, Marco ; Melazzini, Federica ; Loffredo, Giuseppe ; Russo, Giovanna ; Bozzi, Valeria ; Notarangelo, Lucia Dora ; Gresele, Paolo ; Heller, Paula G. ; Pujol-Moix, Nuria ; Kunishima, Shinji ; Cattaneo, Marco ; Bussel, James ; De Candia, Erica ; Cagioni, Claudia ; Ramenghi, Ugo ; Barozzi, Serena ; Fabris, Fabrizio ; Balduini, Carlo L.

Blood, 2014-08, Vol.124 (6), p.e4-e10 [Periódico revisado por pares]

United States: Elsevier Inc

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Título:
Platelet diameters in inherited thrombocytopenias: analysis of 376 patients with all known disorders
Autor: Noris, Patrizia ; Biino, Ginevra ; Pecci, Alessandro ; Civaschi, Elisa ; Savoia, Anna ; Seri, Marco ; Melazzini, Federica ; Loffredo, Giuseppe ; Russo, Giovanna ; Bozzi, Valeria ; Notarangelo, Lucia Dora ; Gresele, Paolo ; Heller, Paula G. ; Pujol-Moix, Nuria ; Kunishima, Shinji ; Cattaneo, Marco ; Bussel, James ; De Candia, Erica ; Cagioni, Claudia ; Ramenghi, Ugo ; Barozzi, Serena ; Fabris, Fabrizio ; Balduini, Carlo L.
Assuntos: Adolescent ; Adult ; Blood Platelets - pathology ; Case-Control Studies ; Cell Size ; Child ; Child, Preschool ; Diagnosis, Differential ; Female ; Hearing Loss, Sensorineural - blood ; Hearing Loss, Sensorineural - classification ; Hearing Loss, Sensorineural - genetics ; Humans ; Infant ; Male ; Middle Aged ; Molecular Motor Proteins - genetics ; Mutation ; Myosin Heavy Chains - genetics ; Platelets and Thrombopoiesis ; Purpura, Thrombocytopenic, Idiopathic - blood ; Purpura, Thrombocytopenic, Idiopathic - diagnosis ; Thrombocytopenia - blood ; Thrombocytopenia - classification ; Thrombocytopenia - congenital ; Thrombocytopenia - genetics ; Young Adult
É parte de: Blood, 2014-08, Vol.124 (6), p.e4-e10
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Abnormalities of platelet size are one of the distinguishing features of inherited thrombocytopenias (ITs), and evaluation of blood films is recommended as an essential step for differential diagnosis of these disorders. Nevertheless, what we presently know about this subject is derived mainly from anecdotal evidence. To improve knowledge in this field, we evaluated platelet size on blood films obtained from 376 patients with all 19 forms of IT identified so far and found that these conditions differ not only in mean platelet diameter, but also in platelet diameter distribution width and the percentage of platelets with increased or reduced diameters. On the basis of these findings, we propose a new classification of ITs according to platelet size. It distinguishes forms with giant platelets, with large platelets, with normal or slightly increased platelet size, and with normal or slightly decreased platelet size. We also measured platelet diameters in 87 patients with immune thrombocytopenia and identified cutoff values for mean platelet diameter and the percentage of platelets with increased or reduced size that have good diagnostic accuracy in differentiating ITs with giant platelets and with normal or slightly decreased platelet size from immune thrombocytopenia and all other forms of IT. •Measurement of platelet diameters in 376 patients resulted in a new classification of inherited thrombocytopenias based on platelet size.•Measurement of platelet diameters is a useful tool for differential diagnosis of inherited thrombocytopenias.
Editor: United States: Elsevier Inc
Idioma: Inglês

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Platelet diameters in inherited thrombocytopenias: analysis of 376 patients with all known disorders

United States: Elsevier Inc

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