
Treacher Collins-Franceschetti Syndrome 1
Treacher Collins Syndrome
📋Overview
Treacher Collins-Franceschetti Syndrome 1 is a legacy term referring to the genetic disorder now commonly known as Treacher Collins syndrome (TCS). It is a rare congenital condition characterized by craniofacial deformities due to abnormal development of the first and second branchial arches during embryogenesis. The modern preferred term is Treacher Collins syndrome, which includes several genetic subtypes, with TCS1 being the most common form caused by mutations in the TCOF1 gene.
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