Ring Chromosome 22: A Review of the Literature and First Report from India

Author:

Mahajan S1,Kaur A2,Singh J3

Affiliation:

1. Centre of Medical Genetics, Sir Ganga Ram Hospital, Rajinder Nagar, New Dehli 110060, India1

2. Department of Human Genetics, Guru Nanak Dev University, Amritsar, Punjab 143005, India2

3. Central University of Punjab, D-13, Civil Station, Bathinda, Punjab 151001, India3

Abstract

Ring Chromosome 22: A Review of the Literature and First Report from IndiaRing chromosome 22 [r(22)], a rare cytogenetic finding, has been described in nearly 70 cases to date. Cytogenetic investigations were carried out on a 5-year-old male child with microcephaly and intellectual disability. Cytogenetic investigations revealed his karyotype to be 46, XY, r(22). To the best of our knowledge, this is the first report of an r(22) anomaly from India.

Publisher

Walter de Gruyter GmbH

Subject

Genetics (clinical),Genetics

Reference45 articles.

1. Ring-G chromosome, a new G-deletion syndrome?;R. Weleber;Am J Dis Child,1968

2. Case with ring 22;A. Koc;Turkish J Pediat,2008

3. Ring chromosome 22 resulting on a partial monosomy in a mentally retarded boy;B. Gibbons;Singapore Med J,1999

4. Cytogenetic profile of individuals with mental retardation;A. Kaur;Int J Hum Genet,2003

5. Ring chromosome 7 in an Indian woman;A. Kaur;J Intellect Dev Disabil,2008

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