Isocromosomas en síndrome de Turner
DOI:
https://doi.org/10.15381/anales.v74i3.2651Keywords:
Isocromosoma X, isocromosoma Y, mos45, X/idic(X)(p2), síndrome de Turner.Abstract
Un isocromosoma se origina,durante la meiosis,por división transversal a nivel del centrómero; de manera que el cromosoma pierde uno de los brazos y el otro brazo se duplica, formándose dos copias del mismo brazo y produciéndose un cromosoma metacéntrico con dos brazos de igual longitud, idénticos, no homólogos, con cromátides hermanas. Los isocromosomas X, especialmente el iso(Xq), están presentes en el síndrome de Turner; los isocromosomas autosómicos en su mayor parte son letales. Presentamos en 56 pacientes con síndrome de Turner 14 casos de isocromosomas. Objetivo: Presentar isocromosomas en síndrome de Turner. Diseño: Descriptivo, retrospectivo. Institución: Hospital “San Bartolomé”, Lima, Perú. Participantes: 14 pacientes. Intervenciones: Cariotipo en sangre periférica. Principales medidas de resultados: Cariotipo con bandeo G.Downloads
Published
2013-09-16
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Copyright (c) 2013 Nery Romero, Rafael Vega, Maritza San Martín, Rosario Gamarra
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1.
Romero N, Vega R, San Martín M, Gamarra R. Isocromosomas en síndrome de Turner. An Fac med [Internet]. 2013 Sep. 16 [cited 2024 Jul. 17];74(3):256. Available from: https://revistasinvestigacion.unmsm.edu.pe/index.php/anales/article/view/2651