title: [Ring of the chromosome 4. I - With 4p- phenotype].
abstract: A ring chromosome derived from a No. 4 chromosome was found in the complement of an 8-year-old boy with mental retardation and growth retardation and developmental defects characteristic of 4p deletion. Break points were at 4p15 and 4q35.
mesh_terms: D000015:Abnormalities, Multiple / Q000235:genetics*; D002869:Chromosome Aberrations; D002905:Chromosomes, Human, 4-5; D006130:Growth Disorders / Q000235:genetics; D006330:Heart Defects, Congenital / Q000235:genetics; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male
vernacular_title: Anneau du chromosome 4 I. - Avec Phénotype 4p-.