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Dificuldades no diagnóstico laboratorial das hemoglobinopatias / Dificulties on the laboratorial diagnosis of hemoglobinopathies
Naoum, Paulo Cesar; Bonini-Domingos, Claudia R.
  • Naoum, Paulo Cesar; Unesp. São José do Rio Preto. BR
  • Bonini-Domingos, Claudia R; Unesp. São José do Rio Preto. BR
Rev. bras. hematol. hemoter ; 29(3): 226-228, jul.-set. 2007.
Article in Portuguese | LILACS | ID: lil-470890
RESUMO
Há vários tipos de hemoglobinopatias que são caracterizados por variantes das hemoglobinas anormais (ex: Hb S, Hb C, Hb Instáveis,etc) e por talassemias (ex: tal. alfa, tal. beta, tal.beta/delta,etc) As hemoglobinopatias são consideradas como uma das doenças genéticas mais comuns em todo o mundo, com prevalência de portadores heterozigotos de seus principais tipos em aproximadamente 5 por cento da população mundial. Devido à heterogenidade clínica e genética dessas alterações genéticas é fundamental estabelecer a investigação laboratorial das diferentes formas de hemoglobinas variantes e de talassemias. Este artigo apresenta as principais dificuldades laboratoriais que envolvem a complexidade molecular das hemoglobinopatias.
ABSTRACT
There are various types of hemoglobinopathies that are characterized by variants of abnormal hemoglobins (eg. Hb S, HbC, unstables Hb, etc.) and thalassemias (eg. alpha, beta, beta/delta, etc.). Hemoglobinopathies account for some of the most common single gene disorders worldwide with at least 5 percent of the world's population having one or more serious genetic abnormalities. Because of the clinical and genetic heterogenity of these disorders, a laboratory investigation is fundamental to establish the diagnosis of the different variants of the abnormal hemoglobinopathies and thalassemias. This article reports on the laboratory diagnostic difficulties caused by molecular complexity of these abnormalities.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Thalassemia / Clinical Laboratory Techniques / Hemoglobinopathies / Anemia, Sickle Cell Type of study: Diagnostic study / Risk factors Limits: Humans Language: Portuguese Journal: Rev. bras. hematol. hemoter Journal subject: Hematology Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Unesp/BR

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Full text: Available Index: LILACS (Americas) Main subject: Thalassemia / Clinical Laboratory Techniques / Hemoglobinopathies / Anemia, Sickle Cell Type of study: Diagnostic study / Risk factors Limits: Humans Language: Portuguese Journal: Rev. bras. hematol. hemoter Journal subject: Hematology Year: 2007 Type: Article Affiliation country: Brazil Institution/Affiliation country: Unesp/BR