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Most persons with Pfeiffer syndrome type 1 have a normal intelligence and life span; types 2 and 3 typically cause neurodevelopmental disorders and early death. Later in life, surgery can help in bone formation and facial construction. Pfeiffer syndrome affects about 1 in 100,000 persons.
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
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 ...
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 ...
Muenke syndrome: coronal craniosynostosis (plagiocephaly and brachycephaly), short feet and palms, hearing impairment, hypertelorism, and proptosis. Pfeiffer syndrome: abnormalities of the skull, hands, and feet; wide-set, bulging eyes, an underdeveloped upper jaw, beaked nose.
Carpenter syndrome has an autosomal recessive pattern of inheritance. Carpenter syndrome has been associated with mutations in the RAB23 gene, which is located on chromosome 6 in humans. Additionally, three key SNPs in the MEGF8 gene, located on chromosome 19 at 19q13.2, have been identified as primary causes of Carpenter syndrome. Diagnosis
Differential diagnosis: Loeys-Dietz syndrome, Ehlers-Danlos syndrome: Medication: Beta blockers, calcium channel blockers, ACE inhibitors: Prognosis: Often normal life expectancy: Frequency: 1 in 5,000–10,000
Acrocephalosyndactyly. Acrocephalosyndactyly is a group of congenital conditions characterized by irregular features of the face and skull ( craniosynostosis) and hands and feet ( syndactyly ). [1] Craniosynostosis occurs when the cranial sutures, the fibrous tissue connecting the skull bones, fuse the cranial bones early in development.
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).
View/Edit Mouse. Fibroblast growth factor receptor 1 ( FGFR1 ), also known as basic fibroblast growth factor receptor 1, fms-related tyrosine kinase-2 / Pfeiffer syndrome, and CD 331, is a receptor tyrosine kinase whose ligands are specific members of the fibroblast growth factor family. FGFR1 has been shown to be associated with Pfeiffer ...