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Features include very common findings: Mild intellectual disability and Global developmental delay; and common findings: Narrow face, Long face, Mandibular prognathia, and Short philtrum and others.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Head and neck | 4 | Narrow face, Long face, Mandibular prognathia |
Phenotype severity distribution: 2 very common features, 12 common features.
No clinical trials have been registered for X-linked intellectual disability, Porteous type.
3 publications have been identified in PubMed for X-linked intellectual disability, Porteous type. Research spans Review / Meta-Analysis (67%) and Case Report / Case Series (33%).
Magaña-Acosta M (2025). [PMID: 41222108](https://pubmed.ncbi.nlm.nih.gov/41222108/). *Genesis*. [Review / Meta-Analysis]
Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium. Electronic address: [email protected] (2025). [PMID: 39814019](https://pubmed.ncbi.nlm.nih.gov/39814019/). *Cell*. [Review / Meta-Analysis]
Min J (2025). [PMID: 40229647](https://pubmed.ncbi.nlm.nih.gov/40229647/). *Eur J Med Res*. [Case Report / Case Series]
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 6:50 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Common questions about X-linked intellectual disability, Porteous type
Brain and nerves
2 |
Mild intellectual disability, Global developmental delay |
Eyes | 1 | Strabismus |
Growth and development | 1 | Short stature |