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Birth Defects Res
December 2024
Department of Obstetrics and Gynecology, Perinatology unıt of Elazığ City Hospital, Elazığ, Turkey.
Background: Agnathia-otocephaly complex (AOC) is a rare and complex craniofacial malformation characterized by mandibular hypoplasia or agnathia, auricular fusion, microstomia with oroglossal hypoplasia or aglossia. It has a very bad prognosis and can arise alone or in conjunction with heart defects and forebrain abnormalities.
Case Report: A standard second-trimester ultrasound exam was recommended for, a 23-year-old primigravida woman who was at 22 weeks gestation.
Am J Case Rep
May 2023
Department of Obstetrics/Gynecology, Showa University Koto Toyosu Hospital, Tokyo, Japan.
BACKGROUND Agnathia-otocephaly complex (AOC) is a rare congenital malformation due to a first-branch arch disorder and has been considered lethal. However, milder variants of the isolated type of AOC have been reported as nonlethal. The ex-utero intrapartum treatment (EXIT) procedure is basically indicated for a fetus with a high risk of airway obstruction immediately after birth; it is not indicated for all AOC cases but is chosen to treat cases until the airway can be evaluated to achieve a better prognosis.
View Article and Find Full Text PDFGenes (Basel)
December 2022
ALTAMEDICA, Human Genetics Laboratory, Viale Liegi 45, 00198 Rome, Italy.
Agnathia-otocephaly complex (AOC) is a rare and usually lethal malformation typically characterized by hypoplasia or the absence of the mandible, ventromedial and caudal displacement of the ears with or without the fusion of the ears, a small oral aperture with or without a tongue hypoplasia. Its incidence is reported as 1 in 70,000 births and its etiology has been attributed to both genetic and teratogenic causes. AOC is characterized by a wide severity clinical spectrum even when occurring within the same family, ranging from a mild mandibular defect to an extreme facial aberration incompatible with life.
View Article and Find Full Text PDFJ Craniofac Surg
January 2023
Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health.
Agnathia-otocephaly complex (AOC), a first branchial arch defect, is characterized by mandibular hypoplasia or aplasia, ear abnormalities, microstomia, and macroglossia and is a rare and often fatal diagnosis. Herein, the technical considerations and details of mandibular reconstruction using virtual surgical planning (VSP) and a vascularized free fibula flap for further mandibular reconstruction in a 10-year-old boy are presented. The patient's preoperative examination was consistent with agnathia (absence of mandibular symphysis, bilateral mandibular bodies, condyles, coronoids, rami, and temporomandibular joint), severe microstomia, and a Tessier # 30 cleft (maintained to allow oral access until later in treatment).
View Article and Find Full Text PDFTransl Pediatr
August 2021
Department of Ultrasound, Ningxia Hui Autonomous Region Maternity and Child Health Hospital & Ningxia Children's Hospital, Yinchuan, China.
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