A ring D chromosome in association with Down's syndrome-like phenotype

The case of a ten-years-old mentally retarded girl with Down's syndrome-like features whose chromosome analysis revealed an unusual mosaicism including 10% mitosis with a ring chromosome replacing a D chromosome is reported. The clinical features of the patient were considered similar to those...

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Main Authors: A. Wajntal, A. J. Diament, P. H. Saldanha
Format: Article
Language:English
Published: Thieme Revinter Publicações 1973-03-01
Series:Arquivos de Neuro-Psiquiatria
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X1973000100004
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author A. Wajntal
A. J. Diament
P. H. Saldanha
author_facet A. Wajntal
A. J. Diament
P. H. Saldanha
author_sort A. Wajntal
collection DOAJ
description The case of a ten-years-old mentally retarded girl with Down's syndrome-like features whose chromosome analysis revealed an unusual mosaicism including 10% mitosis with a ring chromosome replacing a D chromosome is reported. The clinical features of the patient were considered similar to those described by Jacobsen (1966) and Emberger et al. (1971) who interpreted the ring chromosome present in their patients as being chromosome 15.<br>Relata-se um caso de uma menina com 10 anos de idade, mentalmente retardada e com semelhanças com a síndrome de Down, cuja análise cromossômica revelou um mosaicismo pouco freqüente, incluindo 10% de mitoses com um cromossoma em anel substituindo um cromossoma D. O quadro clínico da paciente é similar ao descrito por Jacobsen (1966) e Emberger et al. (1971) que interpretaram a presença do cromossoma em anel em seus pacientes como sendo o cromossoma 15.
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series Arquivos de Neuro-Psiquiatria
spelling doaj-art-c690d0de16ae4d39a3e5151dd7f67a722025-08-20T03:23:19ZengThieme Revinter PublicaçõesArquivos de Neuro-Psiquiatria0004-282X1678-42271973-03-013113237A ring D chromosome in association with Down's syndrome-like phenotypeA. WajntalA. J. DiamentP. H. SaldanhaThe case of a ten-years-old mentally retarded girl with Down's syndrome-like features whose chromosome analysis revealed an unusual mosaicism including 10% mitosis with a ring chromosome replacing a D chromosome is reported. The clinical features of the patient were considered similar to those described by Jacobsen (1966) and Emberger et al. (1971) who interpreted the ring chromosome present in their patients as being chromosome 15.<br>Relata-se um caso de uma menina com 10 anos de idade, mentalmente retardada e com semelhanças com a síndrome de Down, cuja análise cromossômica revelou um mosaicismo pouco freqüente, incluindo 10% de mitoses com um cromossoma em anel substituindo um cromossoma D. O quadro clínico da paciente é similar ao descrito por Jacobsen (1966) e Emberger et al. (1971) que interpretaram a presença do cromossoma em anel em seus pacientes como sendo o cromossoma 15.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X1973000100004
spellingShingle A. Wajntal
A. J. Diament
P. H. Saldanha
A ring D chromosome in association with Down's syndrome-like phenotype
Arquivos de Neuro-Psiquiatria
title A ring D chromosome in association with Down's syndrome-like phenotype
title_full A ring D chromosome in association with Down's syndrome-like phenotype
title_fullStr A ring D chromosome in association with Down's syndrome-like phenotype
title_full_unstemmed A ring D chromosome in association with Down's syndrome-like phenotype
title_short A ring D chromosome in association with Down's syndrome-like phenotype
title_sort ring d chromosome in association with down s syndrome like phenotype
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X1973000100004
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