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Two Cases of Trisomy 19 as a Sole Chromosomal Abnormality in Myeloid Disorders / 대한진단검사의학회지
The Korean Journal of Laboratory Medicine ; : 174-178, 2008.
Article Dans Anglais | WPRIM | ID: wpr-49542
ABSTRACT
Trisomy 19 is frequently encountered in cases of chronic myeloid leukemia (CML) as a secondary abnormality however, trisomy 19 rarely occurs as a sole chromosomal abnormality and, to date, it has only been reported in 48 hematopoietic malignancies, 1 case of adenocarcinoma and 1 case of astrocytic tumor. Here, we report two additional cases of trisomy 19 as a sole karyotypic aberration in myeloid malignancies. One of these cases involved a 6-month-old male who was diagnosed with acute myeloid leukemia minimally differentiated. His karyotype was 47,XY,+19[20]. He expired 5 days after diagnosis. Another case occurred in an 80-yr-old female who had refractory anemia with excess blasts. Her karyotype was 47,XX,+19[16]/46,XX[4]. Four months later, her peripheral blood smears suggested that the disease had progressed, but she refused further evaluation. Based on a review of the existing literature and the results of this report, trisomy 19 not only as a secondary abnormality but also as a sole karyotypic aberration is strongly associated with myeloid disorder; however, it is not preferentially found in specific FAB subgroups of myelodysplasic syndrome or acute myeloid leukemia.
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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Trisomie / Chromosomes humains de la paire 19 / Anémie réfractaire / Leucémie myéloïde / Maladie aigüe / Caryotypage Limites du sujet: Adulte très âgé / Aged80 / Femelle / Humains / Bébé / Mâle langue: Anglais Texte intégral: The Korean Journal of Laboratory Medicine Année: 2008 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Trisomie / Chromosomes humains de la paire 19 / Anémie réfractaire / Leucémie myéloïde / Maladie aigüe / Caryotypage Limites du sujet: Adulte très âgé / Aged80 / Femelle / Humains / Bébé / Mâle langue: Anglais Texte intégral: The Korean Journal of Laboratory Medicine Année: 2008 Type: Article