نتایج جستجو برای: craniofacial anomalies
تعداد نتایج: 52309 فیلتر نتایج به سال:
A 39-year-old pregnant woman at 38 weeks of gestation was referred with labor pain to a hospital. She had consanguinity with her husband. A female newborn had multiple craniofacial anomalies and phocomelia in right upper limb. The disease locus was assigned to chromosome17q21. Four days later, infant died of cardiopulmonary arrest.
Cardiofacio-cutaneous syndrome is a rare genodermatoses with multiple congenital anomalies (MCA) and mental retardation. Although various mutations have been described, the diagnosis can be made clinically based on constellation of symptoms. Herein, we report a classical case with typical craniofacial features and atrial septal defect.
With the development of x-ray technology and its application to the craniofacial skeleton, numerous landmarks have been described and studied to better diagnose and plan treatment options for anomalies related to facial architecture. The following text serves to highlight the important landmarks and illustrate how they may be used to plan successful orthognathic reconstruction.
Pituitary duplication is a rare malformation commonly associated with other major neural/craniofacial anomalies, easily shown by magnetic resonance imaging. The authors describe two girls with duplication of the pituitary gland and thickening of the hypothalamus, facial dysmorphism and precocious pubertal development. The pathogenesis of pituitary duplication and its relationship with precociou...
Axenfeld-Rieger syndrome (ARS) patients with PITX2 point mutations exhibit a wide range of clinical features including mild craniofacial dysmorphism and dental anomalies. Identifying new PITX2 targets and transcriptional mechanisms are important to understand the molecular basis of these anomalies. Chromatin immunoprecipitation assays demonstrate PITX2 binding to the FoxJ1 promoter and PITX2C t...
DOWN syndrome (DS) is the most common chromosomal disorder, occurring in 1 of every 600–800 births. It is characterized by mental retardation, as well as craniofacial, upper airway, cardiovascular, and gastrointestinal anomalies. One manifestation of DS relevant to anesthesiologists is upper cervical spine instability produced by ligamentous laxity, skeletal anomalies, or both. This instability...
SmithMagenis syndrome (SMS) is a rare disorder with multiple congenital anomalies caused by a heterozygous interstitial deletion involving chromosome 17p11.2, where the retinoic acid-induced 1 (RAI1) gene is located, or by a mutation of RAI1. Approximately 90% of the patients with SMS have a detectable 17p11.2 microdeletion on fluorescence in-situ hybridization (FISH). SMS is characterized by m...
Distraction osteogenesis has emerged as an effective treatment modality for the correction of bone anomalies and abnormalities which are either pathological or developmental in origin. Earlier it was predominantly used in orthopaedics for the correction of axial skeleton. Its use in the field of dentistry began in the late twentieth century. Successful results from the initial clinical trials p...
Teeth are specialized structural components of the craniofacial skeleton. Developmental defects occur either alone or in combination with other birth defects. In this paper, we review the dental anomalies in several multiple congenital anomaly (MCA) syndromes, in which the dental component is pivotal in the recognition of the phenotype and/or the molecular basis of the disorder is known. We wil...
Patients with a submicroscopic deletion at 1q43q44 present with intellectual disability (ID), microcephaly, craniofacial anomalies, seizures, limb anomalies, and corpus callosum abnormalities. However, the precise relationship between most of deleted genes and the clinical features in these patients still remains unclear. We studied 11 unrelated patients with 1q44 microdeletion. We showed that ...
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