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[9] [10] Genetic causes are linked with most craniofacial syndromes, and CL/P and other orofacial clefts are recognized as heterogeneous disorders, meaning there are multiple recognized causes. [9] [11] Orofacial clefts have great phenotypic diversity, and their associated genetic environments have called for vast research and investigation.
Furthermore, approximately 15% of VWS cases with orofacial clefts, in the absence of prominent lip pits, cannot be easily distinguished from non-syndromic forms of orofacial clefting. [7] Therefore, it is very important to closely examine these patients as well as their relatives for lip pits, especially when there is a family history of mixed ...
Orofacial clefts may be associated with a syndrome (syndromic) or may not be associated with a syndrome (nonsyndromic). Syndromic clefts are part of syndromes that are caused by a variety of factors such as environment and genetics or an unknown cause. Nonsyndromic clefts, which are not as common as syndromic clefts, also have a genetic cause. [31]
Ectrodactyly involves the deficiency or absence of one or more central digits of the hand or foot and is also known as split hand–split foot malformation (SHFM). [9] The hands and feet of people with ectrodactyly are often described as "claw-like" and may include only the thumb and one finger (usually either the little finger, ring finger, or a syndactyly of the two) with similar ...
A congenital lip pit or lip sinus is a congenital disorder characterized by the presence of pits and possibly associated fistulas in the lips. They are often hereditary, and may occur alone or in association with cleft lip and palate, termed Van der Woude syndrome. [1]
Cleft palate short stature vertebral anomalies, also known as Mathieu-De Broca-Bony syndrome, is a very rare multi-systemic genetic disorder which is characterized by congenital cleft palate, facial dysmorphisms, short stature and neck, vertebral abnormalities and intellectual disabilities.
Trigonocephaly-bifid nose-acral anomalies syndrome is a very rare genetic disorder which is characterized by trigono brachycephaly, narrow forehead, up-ward slanting palpebral fissures, bulbous, slightly bifid nose, macrostomia, thin upper lip, macrognathia (facial dysmorphisms), broad thumbs, rather large toes, broad fingertips with short nail beds, joint hypermobility and fifth finger ...
Child displaying typical facial phenotype of Kabuki syndrome. Specific symptoms for Kabuki syndrome vary, with large differences between affected individuals. [3] Most people with Kabuki syndrome have distinctive facial features that include arched eyebrows, long eyelashes, elongated eyelids with lower lids that turn out, prominent ears, a flat tip of the nose and a downward slant to the mouth.