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Pfeiffer syndrome is a rare genetic disorder, characterized by the premature fusion of certain bones of the skull (craniosynostosis), which affects the shape of the head and face. The syndrome includes abnormalities of the hands and feet, such as wide and deviated thumbs and big toes.
Infectious mononucleosis ( IM, mono ), also known as glandular fever, is an infection usually caused by the Epstein–Barr virus (EBV). [2] [3] Most people are infected by the virus as children, when the disease produces few or no symptoms. [2] In young adults, the disease often results in fever, sore throat, enlarged lymph nodes in the neck ...
Carpenter syndrome. Carpenter syndrome, also called acrocephalopolysyndactyly type II, [1] is an extremely rare autosomal recessive [2] congenital disorder characterized by craniofacial malformations, obesity, syndactyly, and polydactyly. [2] Acrocephalopolysyndactyly is a variation of acrocephalosyndactyly that presents with polydactyly.
Crouzon syndrome is an autosomal dominant genetic disorder known as a branchial arch syndrome. Specifically, this syndrome affects the first branchial (or pharyngeal) arch, which is the precursor of the maxilla and mandible. Because the branchial arches are important developmental features in a growing embryo, disturbances in their development ...
Jackson–Weiss syndrome ( JWS) is a genetic disorder characterized by foot abnormalities and the premature fusion of certain bones of the skull ( craniosynostosis ), which prevents further growth of the skull and affects the shape of the head and face. This genetic disorder can also sometimes cause intellectual disability and crossed eyes. [2]
Trapezoidocephaly-synostosis syndrome, [1] Antley–Bixler syndrome has an autosomal recessive pattern of inheritance. Specialty. Medical genetics. Antley–Bixler syndrome is a rare, severe autosomal recessive [2] congenital disorder characterized by malformations and deformities affecting the majority of the skeleton and other areas of the ...
Examples include the craniosynostosis syndromes such as Crouzon syndrome, Pfeiffer syndrome, Treacher Collins syndrome, Apert syndrome, and Antley-Bixler syndrome. Cause [ edit ] Choanal atresia is caused by problems with the development of the nasal cavity and the palate . [1]
Cardiocranial syndrome, Pfeiffer type is a rare multiple disorder syndrome characterized by congenital heart defects, sagittal craniosynostosis, and severe developmental delay. The condition has been reported in less than 10 patients worldwide. Signs and symptoms. Features of this condition include: Abnormal heart morphology
A conductive hearing loss along with middle ear disease is most commonly seen in patients with Pfeiffer syndrome; although, there have been reports of mixed hearing loss as well. The hearing loss is most typically caused by stenosis or atresia of the auditory canal , middle ear hypoplasia and ossicular hypoplasia (Vallino-Napoli, 1996).
Brachyturricephaly in a 14-year-old female with Pfeiffer syndrome. Brachyturricephaly is seen in the following conditions: Acrocephalosyndactyly type I; Baller–Gerold syndrome; Craniofacial dyssynostosis; Craniosynostosis (nonsyndromic) 2; Lethal osteosclerotic bone dysplasia; Microphthalmia with cyst, bilateral facial clefts, and limb anomalies