Prevalence of chromosome 9 abnormalities among pediatric specimens / 中华医学遗传学杂志
Chinese Journal of Medical Genetics
;
(6): 362-364, 2013.
Artículo
en Chino
| WPRIM
| ID: wpr-237249
ABSTRACT
<p><b>OBJECTIVE</b>To perform cytogenetic analysis for children, especially newborns suspected for chromosome abnormalities.</p><p><b>METHODS</b>Peripheral blood or born marrow specimens were respectively cultured in proper media. Karyograms were analyzed following G-banding.</p><p><b>RESULTS</b>Of 154 blood specimens, numerical chromosomal abnormalities were identified in 20 patients, which included 19 with trisomy 21. Structural aberrations were identified in 13 patients, among which chromosome 9 aberrations were seen in 6 cases. These included 3 inversions, 1 deletion, 1 insertion and 1 duplication. All aberrations were located in pericentromere region of chromosome 9 with clinical manifestations including congenital heart disease, peculiar facial appearance, paralysis, dysplasia and/or movement disorder. Chromosome polymorphisms were found in 20 patients, most of which had absence of satellites or variation of heterochromatin on chromosome 9. Of 10 bone marrow specimens from children suspected for acute leukemia, chromosome abnormalities were identified in 5 patients.</p><p><b>CONCLUSION</b>Cytogenetic analysis is useful for children featuring multiple congenital abnormalities. Chromosome 9 abnormalities and their clinical relevance should attract more attention.</p>
Texto completo:
Disponible
Índice:
WPRIM (Pacífico Occidental)
Asunto principal:
Cromosomas Humanos Par 9
/
Epidemiología
/
Prevalencia
/
Aberraciones Cromosómicas
/
Bandeo Cromosómico
/
Mapeo Físico de Cromosoma
/
Trastornos de los Cromosomas
Tipo de estudio:
Estudio de prevalencia
Límite:
Adolescente
/
Niño
/
Child, preschool
/
Humanos
/
Lactante
/
Recién Nacido
Idioma:
Chino
Revista:
Chinese Journal of Medical Genetics
Año:
2013
Tipo del documento:
Artículo
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