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A rare genetic disease characterized by polyhydramnios (mostly due to placentomegaly), fetal macrosomia, abdominal wall defects, skeletal abnormalities (including bell-shaped thorax, coat-hanger appearance of the ribs and decreased mid to wide thorax diameter ratio in infancy), feeding difficulties and impaired swallowing, dysmorphic features (hairy forehead, full cheeks, protruding philtrum, micrognathia), developmental delay and intellectual disability. Additional features may include kyphoskoliosis, joint contractures, diastasis recti, muscular hypotonia. There is increased risk of hepatoblastoma.
Features include very common findings: Broad philtrum, Full cheeks, Micrognathia, and Anteverted nares and others; and common findings: Pursed lips, Blepharophimosis, Large for gestational age, and Omphalocele and others. 40 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 5 | Intellectual disability, Global developmental delay, Difficulty swallowing (dysphagia) |
Phenotype severity distribution: 21 very common features, 12 common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
1 clinical trial registered, 1 recruiting. Interventions under study include other interventions. Research is primarily sponsored by academic and government institutions.
6 publications have been identified in PubMed for multiple congenital anomalies due to 14q32.2 maternally expressed gene defect. Research spans Case Report / Case Series (80%) and Basic Science / Preclinical (20%).
Odagiri S (2025). [PMID: 41246872](https://pubmed.ncbi.nlm.nih.gov/41246872/). *Pediatrics international : official journal of the Japan Pediatric Society*. [Case Report / Case Series]
Ogawa T (2025). [PMID: 39693239](https://pubmed.ncbi.nlm.nih.gov/39693239/). *The Journal of clinical endocrinology and metabolism*. [Case Report / Case Series]
Yang X (2024). [PMID: 39210340](https://pubmed.ncbi.nlm.nih.gov/39210340/). *BMC medical genomics*. [Case Report / Case Series]
Urakawa T (2024). [PMID: 39369220](https://pubmed.ncbi.nlm.nih.gov/39369220/). *Clinical epigenetics*. [Basic Science / Preclinical]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 5:40 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Digestive system |
4 |
Difficulty swallowing (dysphagia), Feeding difficulties, Constipation |
Bones and joints | 2 | Limitation of joint mobility, Kyphoscoliosis |
Muscles | 1 | Limitation of joint mobility |
Lungs and breathing | 1 | Respiratory failure requiring assisted ventilation |
Heart and blood vessels | 1 | Abnormality of the cardiovascular system |
Growth and development | 1 | Postnatal growth retardation |