J Korean Soc Neonatol.  2008 May;15(1):89-93.

A Case of Addition of Chromosome 12 associated with Multiple Anomaly and Developmental Impairment

Affiliations
  • 1Department of Pediatrics, School of Medicine, Catholic University of Daegu, Daegu, Korea. wootykim@cu.ac.kr
  • 2Department of Opthalmology, College of Medicine, Dongguk University, Gyungju, Korea.

Abstract

Duplication of chromosome 12p has been rarely reported and are thought to be associated with congenital malformations and impaired development. We report a baby boy born with multiple dysmorphic features and congenital malformations. His karyotype was 46,XY, add(12)(p13.3). He has suffered from intrauterine growth restriction at birth. He showed abnormal cranio-facial findings such as microcephaly, hypognathia, clepft palate and low set ear. He presented with absence of uvula, micropenis and rocker bottom features of both feet, congenital heart disease, poor corticomedullary differentiation of kidney, and sensorineuronal hearing loss. We have been follow up him for seizure disorder and delayed development at out patient department.

Keyword

Chromosome 12; Addition; Multiple anomaly; Developmental impairmen

MeSH Terms

Chromosomes, Human, Pair 12
Ear
Epilepsy
Follow-Up Studies
Foot
Genital Diseases, Male
Hearing Loss
Heart Diseases
Humans
Karyotype
Kidney
Microcephaly
Palate
Parturition
Penis
Uvula
Genital Diseases, Male
Penis
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