| Franceschetti–Klein syndrome | |
|---|---|
| Other names | Mandibulofacial dysostosis |
 | |
| This condition is inherited in an autosomal dominant manner. | |
Franceschetti–Klein syndrome (also known as "mandibulofacial dysostosis") is a syndrome that includes palpebral antimongoloid fissures, hypoplasia of the facial bones, macrostomia, vaulted palate, malformations of both the external and internal ear, buccal-auricular fistula, abnormal development of the neck with stretching of the cheeks, accessory facial fissures, and skeletal deformities.It is sometimes equated with Treacher Collins syndrome.