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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.
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]
Feeding problems, impaired speech, and hearing loss are symptoms of a submucous cleft palate. [4] 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]
Language deficits are also associated with EEC syndrome and are attributed to two factors. Conductive hearing loss due to ossicular anomalies is often encountered in patients with EEC syndrome, which can have significant impacts on language acquisition. Also, the impaired cognitive functioning that sometimes accompanies EEC can inhibit language ...
Axenfeld–Rieger syndrome is a rare autosomal dominant [2] disorder, which affects the development of the teeth, eyes, and abdominal region. [3]Axenfeld–Rieger syndrome is part of the so-called iridocorneal or anterior segment dysgenesis syndromes, [4] which were formerly known as anterior segment cleavage syndromes, anterior chamber segmentation syndromes or mesodermal dysgenesis.
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.
Frontonasal dysplasia (FND) is a congenital malformation of the midface. [1] For the diagnosis of FND, a patient should present at least two of the following characteristics: hypertelorism (an increased distance between the eyes), a wide nasal root, vertical midline cleft of the nose and/or upper lip, cleft of the wings of the nose, malformed nasal tip, encephalocele (an opening of the skull ...
Myopia is the most common eye problem in Marshall syndrome. Cataracts also occur more frequently and detached retina less frequently than in Stickler syndrome. Myopia also is the most common problem with the eyes in Stickler syndrome. In the latter syndrome, extreme myopia may lead to severe eye problems such as detached retina more frequently ...