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Splenogonadal fusion-limb defects-micrognatia syndrome is a rare dysostosis syndrome characterized by abnormal fusion of the spleen with the gonad (or more rarely with remnants of the mesonephros), limb abnormalities (consisting of amelia or severe reduction defects leading to upper and/or lower rudimentary limbs) and orofacial abnormalities such as cleft palate, bifid uvula, microglossia and mandibular hypoplasia. It could also be associated with other malformations such as cryptorchidism, anal stenosis/atresia, hypoplastic lungs and cardiac malformations.
Features include: Multiple unerupted teeth, Crowded maxillary incisors, Abnormality of the genitourinary system, and Micrognathia.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Head and neck | 1 | Crowded maxillary incisors |
Kidneys and urinary system |
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for splenogonadal fusion-limb defects-micrognathia syndrome.
1 publication has been identified in PubMed for splenogonadal fusion-limb defects-micrognathia syndrome. Research spans Case Report / Case Series (100%).
Shammout M (2025). [PMID: 39944163](https://pubmed.ncbi.nlm.nih.gov/39944163/). *Radiology case reports*. [Case Report / Case Series]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 5:36 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
1 |
Abnormality of the genitourinary system |