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Journal of Medical Genetics logoLink to Journal of Medical Genetics
. 1993 Jul;30(7):614–615. doi: 10.1136/jmg.30.7.614

Triple structural mosaicism of chromosome 18 in a child with MR/MCA syndrome and abnormal skin pigmentation.

E Bocian 1, T Mazurczak 1, E Buława 1, H Stańczak 1, G Rowicka 1
PMCID: PMC1016468  PMID: 8411041

Abstract

A case of triple mosaicism involving chromosome 18 is described in a girl with abnormal skin pigmentation similar to hypomelanosis of Ito. The karyotype is 46,XX, -18, + del(18)(p11.23-->pter)/46,XX, -18, + idic(18)(p11.23)/46,XX, -18, + r(18). The patient displays some clinical features of monosomy 18p and a few signs of trisomy 18q. Our case illustrates a non-random association of chromosomal mosaicism with abnormal skin pigmentation.

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Selected References

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