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Archivos argentinos de pediatría
versión impresa ISSN 0325-0075
Resumen
COLLIA, Adrián; ANTACLE, Alejandra; VELOSO, María José y OBREGON, María Gabriela. Partial duplication of chromosome 4 in a patient with bilateral ocular coloboma. Arch. argent. pediatr. [online]. 2012, vol.110, n.4, pp.e59-e62. ISSN 0325-0075.
Partial trisomy 4q is a rare chromosomal disease. It involves duplication of a portion (particularly the distal one) of the long arm of chromosome 4. In most cases results from a balanced translocation on one single progenitor. The "de novo" appearance is less common. Depending on the size and location of duplicated genetic material, patients may have different clinical manifestations. Associated eye pathology has been scarcely informed. We report on a novel case of a male infant with a proximal "de novo" 4q12-q22 duplication and bilateral iris, retinal and optic nerve coloboma.
Palabras clave : 4q duplication; Bilateral ocular coloboma; Pediatrics.