Croatian medical journal · 2025
The diagnostic yield of molecular karyotyping: a retrospective single-center study.
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Göktaş Emine, Arslan Ahmet Burak, Turan Betül, Okur Altındaş Betül, Zamani Ayşe Gül, Yıldırım Mahmut Selman
Аннотация
AIM: To determine the diagnostic yield of chromosomal microarray analysis (CMA) in different patient groups: intellectual disability and developmental delay (ID/DD), multiple congenital anomalies (MCA), epilepsy, autism spectrum disorder (ASD), reproductive abnormalities, and dysmorphic features.
METHODS: We retrospectively reviewed microarray data of 176 patients admitted to the Medical Genetics Outpatient Clinic of Necmettin Erbakan University Medical Faculty Hospital from 2016 to 2022. After the copy number variation (CNV) interpretation, we evaluated the diagnostic strength of CMA in each group.
RESULTS: Phenotype-associated CNVs were detected in 20.3% (22/108) of patients with ID/DD, 23.9% (17/71) of patients with MCA, 15.9% of patients (7/44) with epilepsy, 16.6% (4/24) of patients with ASD, and 11.7% (2/17) of those with reproductive abnormalities. Chromosomal gains or losses were found in 43% (35/80) of patients with dysmorphic findings.
CONCLUSION: This study confirmed the remarkable diagnostic yield of CMA in ID/DD, MCA, and ASD patients, and expanded its value for cases with epilepsy and dysmorphism.
METHODS: We retrospectively reviewed microarray data of 176 patients admitted to the Medical Genetics Outpatient Clinic of Necmettin Erbakan University Medical Faculty Hospital from 2016 to 2022. After the copy number variation (CNV) interpretation, we evaluated the diagnostic strength of CMA in each group.
RESULTS: Phenotype-associated CNVs were detected in 20.3% (22/108) of patients with ID/DD, 23.9% (17/71) of patients with MCA, 15.9% of patients (7/44) with epilepsy, 16.6% (4/24) of patients with ASD, and 11.7% (2/17) of those with reproductive abnormalities. Chromosomal gains or losses were found in 43% (35/80) of patients with dysmorphic findings.
CONCLUSION: This study confirmed the remarkable diagnostic yield of CMA in ID/DD, MCA, and ASD patients, and expanded its value for cases with epilepsy and dysmorphism.