Complex chromosome rearrangement 46,XY, der(9)t(Y;9)(q12;p23) in a girl with sex reversal and mental retardation. 2011

I-Wen Lee, and Yen-Yin Chou, and Keng-Fu Hsu, and Pei-Yi Chou, and Ming Chen, and Pao-Lin Kuo, and Shio-Jean Lin
Department of Obstetrics and Gynecology, National Chen-Kung University Hospital and College of Medicine, Tainan, Taiwan.

Monosomy 9p syndrome, also known as Alfi syndrome, has been described as a contiguous syndrome characterized by mental retardation, developmental delay, and facial dysmorphisms. Males with monosomy 9p often express variable degrees of feminization, although the genitalia of females will be normal. In the present report, we describe a case of ambiguous genitalia and intra-abdominal testicular development, with a derivative chromosome 9 arising from a translocation between 9p23 and Yq heterochromatin. Pathologic examination of the testes showed germ cell hypoplasia of the seminiferous tubules. fluorescence in situ hybridization, spectral karyotyping, and array comparative genomic hybridization were used to characterize the genetic changes.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D007621 Karyotyping Mapping of the KARYOTYPE of a cell. Karyotype Analysis Methods,Analysis Method, Karyotype,Analysis Methods, Karyotype,Karyotype Analysis Method,Karyotypings,Method, Karyotype Analysis,Methods, Karyotype Analysis
D008607 Intellectual Disability Subnormal intellectual functioning which originates during the developmental period. This has multiple potential etiologies, including genetic defects and perinatal insults. Intelligence quotient (IQ) scores are commonly used to determine whether an individual has an intellectual disability. IQ scores between 70 and 79 are in the borderline range. Scores below 67 are in the disabled range. (from Joynt, Clinical Neurology, 1992, Ch55, p28) Disability, Intellectual,Idiocy,Mental Retardation,Retardation, Mental,Deficiency, Mental,Intellectual Development Disorder,Mental Deficiency,Mental Retardation, Psychosocial,Deficiencies, Mental,Development Disorder, Intellectual,Development Disorders, Intellectual,Disabilities, Intellectual,Disorder, Intellectual Development,Disorders, Intellectual Development,Intellectual Development Disorders,Intellectual Disabilities,Mental Deficiencies,Mental Retardations, Psychosocial,Psychosocial Mental Retardation,Psychosocial Mental Retardations,Retardation, Psychosocial Mental,Retardations, Psychosocial Mental
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D005260 Female Females
D006061 Gonadal Dysgenesis, 46,XY Defects in the SEX DETERMINATION PROCESS in 46, XY individuals that result in abnormal gonadal development and deficiencies in TESTOSTERONE and subsequently ANTIMULLERIAN HORMONE or other factors required for normal male sex development. This leads to the development of female phenotypes (male to female sex reversal), normal to tall stature, and bilateral streak or dysgenic gonads which are susceptible to GONADAL TISSUE NEOPLASMS. An XY gonadal dysgenesis is associated with structural abnormalities on the Y CHROMOSOME, a mutation in the GENE, SRY, or a mutation in other autosomal genes that are involved in sex determination. Swyer Syndrome,46, XY Gonadal Dysgenesis,46, XY Gonadal Sex Reversal,46,XY Complete Gonadal Dysgenesis,Complete Gonadal Dysgenesis, 46, XY,Gonadal Dysgenesis, 46, XY,Pure Gonadal Dysgenesis 46,XY,Pure Gonadal Dysgenesis, 46, XY,Sex Reversal, Gonadal, 46, XY,XY Pure Gonadal Dysgenesis,Syndrome, Swyer
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015321 Gene Rearrangement The ordered rearrangement of gene regions by DNA recombination such as that which occurs normally during development. DNA Rearrangement,DNA Rearrangements,Gene Rearrangements,Rearrangement, DNA,Rearrangement, Gene,Rearrangements, DNA,Rearrangements, Gene

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