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1.
Journal of the Korean Pediatric Society ; : 510-513, 2003.
Artículo en Coreano | WPRIM | ID: wpr-39748

RESUMEN

Duplication of chromosome 7q has been reported as either partial or complete. Partial 7q duplication was first described by Carpentier in 1972. Pure partial duplication of the long arm of chromosome 7 is extremely rare and only 16 cases with a pure partial duplication of different 7q segment have been described in the literature. Pure partial duplication of the long arm of chromosome 7 is characterized by growth and developmental retardation, muscular hypotonia, distinct craniofacial dysmorphic features, a short neck and skeletal abnormalities. A 3 month-old male was referred to our department of Pediatrics because of dyspnea, hypotonia and delayed development. He shows growth and developmental delay, hypertelorism, a depressed nasal bridge, low set ears, a short neck and muscular hypotonia. Karyotype revealed 46, XY, dup(7)(q36q33) by GTC-banding. We report a case of a partial inverted duplication of chromosome 7q.


Asunto(s)
Humanos , Lactante , Masculino , Brazo , Cromosomas Humanos Par 7 , Disnea , Oído , Crecimiento y Desarrollo , Hipertelorismo , Cariotipo , Hipotonía Muscular , Cuello , Pediatría
2.
Journal of the Korean Pediatric Society ; : 1155-1159, 2002.
Artículo en Coreano | WPRIM | ID: wpr-126488

RESUMEN

Trisomy 9p syndrome was first described by Rethore, et al in 1970 and about 150 cases have been reported. Trisomy 9p has been reported as either partial or complete. The term "duplication 9p syndrome" instead of "trisomy 9p syndrome" is used since most of the reported patients had only partial duplication rather than the whole arm duplication of 9p. Duplication of 9p syndrome is characterized by growth and developmental retardation, microbrachycephaly, deep and wide set eyes with down-slanting palpebral fissures, "globular" nose, down-turned corners of the mouth, prominent apparently low-set ears, and short fingers and toes with small nails. A 10- month-old male was referred to our department of pediatrics because of hypotonia and delayed development. Karyotype revealed 46, XY, dup(9)(p12p24) by GTC-Banding. We report a case of a duplication 9p syndrome diagnosed by GTC-banding.


Asunto(s)
Humanos , Masculino , Brazo , Oído , Dedos , Crecimiento y Desarrollo , Cariotipo , Boca , Hipotonía Muscular , Nariz , Pediatría , Dedos del Pie , Trisomía
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