Concomitância de alterações cromossômicas numéricas com estruturais em idoso com doença de Alzheimer: relato de caso

Autores

DOI:

https://doi.org/10.15448/1980-6108.2019.4.34464

Palavras-chave:

Cromossomos autossômicos, cromossomo X, citogenética.

Resumo

AIMS: To report the first case the concomitance of numerical chromosomal abnormalities with structural as well as chromosomal abnormalities structural in a patient diagnosed with Alzheimer disease in Manaus/Amazonas.
CASE DESCRIPTION: A male patient with 76 years of age was diagnosed with diagnosis of cognitive disorder- Alzheimer’s disease with late onset - temporal variant after laboratory, physical and imaging exams. Cytogenetic analysis was requested for this patient, revealing the presence the concomitant of numerical and structural chromosomal abnormalities with metaphase cells composed of 45 chromosomes with the loss of one of the homologues of chromosome 21 (monosomy) and a deletion of the long arm of one of the homologues of chromosome 1 [45, XY, -21, del (1) (q?)] and metaphase cells containing 46 chromosomes with a deletion of the long arm of one of the homologues of chromosome 15 [(46, XY, del (15) (q?)]. Currently, the patient is in outpatient treatment for maintenance and control of the disease.
CONCLUSIONS: Our study has underlined that karyotyping is one of the fundamental investigations for patients with Alzheimer’s disease. It highlighted, in the form of a chromosomal abnormality, may have been the risk factor in Alzheimer’s disease.

***Concomitância de alterações cromossômicas numéricas com estruturais em idoso com doença de Alzheimer: relato de caso***

OBJETIVOS: Relatar o primeiro caso de concomitância de anormalidade cromossômica numérica com anormalidade cromossômica estruturais em um paciente diagnosticado com doença de Alzheimer em Manaus/Amazonas
DESCRIÇÃO DO CASO: Um paciente do sexo masculino com 76 anos de idade foi diagnosticado com distúrbio cognitivo - doença de Alzheimer com início tardio - variante temporal, após exames laboratoriais, físicos e de imagem. Análises citogenéticas foi solicitado para esse paciente, revelando a presença concomitante de anormalidades cromossômicas numéricas e estruturais com células metafásicas compostas por 45 cromossomos, com a perda de um dos homólogos do cromossomo 21 (monossomia) e a deleção do braço longo de um dos homólogos do cromossomo 1 [45, XY, -21, del (1) (q?)] e células metafásicas contendo 46 cromossomos apresentando deleção no braço longo de um dos homólogos do cromossomo 15 [(46, XY, del (15) (q?)] Atualmente, o paciente encontra-se em tratamento ambulatorial para manutenção e controle da doença.
CONCLUSÕES: Nosso estudo revelam que a cariotipagem é uma das investigações fundamentais para pacientes com doença de Alzheimer. A anormalidade cromossômicas pode ter sido o fator de risco para a doença de Alzheimer.

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Publicado

2019-12-06

Como Citar

Nunes, K. M., Vianez, T. N., Benzaquem, D. C., Carvalho, N. D. M., & Fantin, C. (2019). Concomitância de alterações cromossômicas numéricas com estruturais em idoso com doença de Alzheimer: relato de caso. Scientia Medica, 29(4), e34464. https://doi.org/10.15448/1980-6108.2019.4.34464

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