title: [De novo trisomy 4p by 4p isochromosome].
abstract: A new example of trisomy 4p is reported, due in this case to formation of an isochromosome i(4p). The long arm of chromosome 4 was translocated onto the short arm of chromosome 1.
mesh_terms: D002675:Child, Preschool; D002905:Chromosomes, Human, 4-5; D003878:Dermatoglyphics; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000235:genetics; D007620:Karyometry; D008297:Male; D011596:Psychomotor Disorders / Q000235:genetics; D014178:Translocation, Genetic; D014314:Trisomy
vernacular_title: Trisomie 4p de novo par isochromosome 4p