Kisho is an information platform, not a medical provider. Nothing on this site constitutes medical advice, diagnosis, or treatment recommendations. All content is aggregated from publicly available sources (including ClinicalTrials.gov, PubMed, FDA.gov, and Orphanet) and is provided for informational purposes only. Clinical trial eligibility, treatment decisions, and any health-related actions should always be discussed with a qualified healthcare professional. Kisho does not endorse any specific therapy, organization, or clinical trial. Terms of use · Privacy policy
Pai syndrome is an idiopathic developmental disorder characterized by median cleft of the upper lip (MCL), midline polyps of the facial skin and nasal mucosa, and pericallosal lipomas. Hypertelorism with ocular anomalies are also observed, generally with normal neuropsychological development.
Features include: Downslanted palpebral fissures, Median cleft upper lip, Bifid uvula, and Skin tags and 6 more.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Head and neck | 2 | Median cleft upper lip, High palate |
Skin |
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for Pai syndrome.
2 publications have been identified in PubMed for Pai syndrome. Research spans Review / Meta-Analysis (50%) and Case Report / Case Series (50%).
Monzy J (2025). [PMID: 41081563](https://pubmed.ncbi.nlm.nih.gov/41081563/). *The Journal of craniofacial surgery*. [Case Report / Case Series]
Bar-Tana J (2025). [PMID: 40059164](https://pubmed.ncbi.nlm.nih.gov/40059164/). *J Transl Med*. [Review / Meta-Analysis]
Data assembled from 5 of 12 sources · Last updated Sep 19, 2026, 1:53 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Common questions about Pai syndrome
1
Skin tags |