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A chromosomal disorder characterized by the presence of extra copy/copies of part of chromosome 18.
Biomarker and diagnostic research for partial trisomy/tetrasomy of chromosome 18 has been reported in the published literature.
No clinical trials have been registered for partial trisomy/tetrasomy of chromosome 18.
4 publications have been identified in PubMed for partial trisomy/tetrasomy of chromosome 18. Research spans Diagnostic / Biomarker (25%), Case Report / Case Series (25%), and Clinical Trial Publication (25%).
Cendres E (2026). [PMID: 42019868](https://pubmed.ncbi.nlm.nih.gov/42019868/). *JHEP Rep*. [Basic Science / Preclinical]
Yao H (2025). [PMID: 40529752](https://pubmed.ncbi.nlm.nih.gov/40529752/). *Journal of thoracic disease*. [Diagnostic / Biomarker]
Tikhonov AV (2024). [PMID: 38893001](https://pubmed.ncbi.nlm.nih.gov/38893001/). *Journal of clinical medicine*. [Clinical Trial Publication]
Ardisia C (2024). [PMID: 39596664](https://pubmed.ncbi.nlm.nih.gov/39596664/). *Genes*. [Case Report / Case Series]
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 4:38 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center