Chromosomal abnormalities and mental disorders.
نویسندگان
چکیده
منابع مشابه
"Idiopathic" mental retardation and new chromosomal abnormalities
Mental retardation is a heterogeneous condition, affecting 1-3% of general population. In the last few years, several emerging clinical entities have been described, due to the advent of newest genetic techniques, such as array Comparative Genomic Hybridization. The detection of cryptic microdeletion/microduplication abnormalities has allowed genotype-phenotype correlations, delineating recogni...
متن کاملChromosomal Abnormalities in Mental Retardation: Indian Experience
At a Tertiary Genetic Centre, children with mental retardation (MR) (also referred as intellectual disability) and associated developmental disabilities were investigated for genetic diagnosis which is important in prevention and genetic counseling while offering the risk of recurrence to the family. A prospective and retrospective cytogenetic study was conducted on 1760 MR cases for chromosoma...
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Chromosomal abnormalities are major causes of infertility, miscarriage and birth of handicapped progeny. In human live births, the prevalence of a chromosome aberration is ?0.5% and, of these, 0.1–0.3% correspond to structural chromosome rearrangements such as translocations, inversions, insertions and deletions .Our proband is an infant who had died 4 hours after birth due to a variety of abno...
متن کاملSingle chromosomal abnormalities in Philadelphia-negative chronic myeloproliferative disorders.
BACKGROUND In Philadelphia-negative chronic myeloproliferative disorders (CMPD), increased proliferation with effective maturation of the myeloid lineage is present, while peripheral leukocytosis, thrombocytosis or elevated red blood cell mass are found. This group of disorders includes polycythemia vera (PV), essential thrombocythemia (ET) and idiopathic myelofibrosis (IMF). Furthermore, cases...
متن کاملNonrandom chromosomal abnormalities in hematologic disorders of man.
A nonrandom pattern of chromosomal abnormalities occurs in bone marrow cells obtained from patients with hematologic disorders who have an abnormal karyotype involving a C group chromosome. An additional number 8 chromosome is the most common abnormality, found in more than one-half of the patients studies. An additional number 9 chromosome and the loss of all or part of a number 7 are abnormal...
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ژورنال
عنوان ژورنال: Postgraduate Medical Journal
سال: 1972
ISSN: 0032-5473
DOI: 10.1136/pgmj.48.558.212