منابع مشابه
Congenital absence of the oval window: radiologic diagnosis and associated anomalies.
BACKGROUND AND PURPOSE In most children with conductive hearing loss, acquired otitis media and/or middle ear effusion are ultimately diagnosed. Congenital conductive hearing loss is a rare condition; absence of the oval window is an unusual pathogenesis for this type of hearing impairment and can be associated with an anomalous horizontal facial nerve canal. Our goal was to describe the imagin...
متن کاملTwo Cases of Malleostapedotomy in Congenital Oval Window Atresia
Congenital anomaly of the oval window with an abnormal facial nerve course is an uncommon embryological defect, which is related to the underdevelopment of second branchial arch derivatives. Some treatments for improving hearing levels are available; these include hearing aids, vestibulotomy, neo-oval window formation, and stapes surgeries, including incudostapedotomy and malleostapedotomy. How...
متن کاملCongenital Absence of Left Circumflex Coronary Artery
Congenital absence of left circumflex artery is a rare congenital anomaly of the coronary arteries. The prevalence of the anomaly in different studies ranges from 0.6% to 1.3%. Of these, 80% are benign and asymptomatic and 20% are clinically important. We report a 56-year-old man presented with acute resting chest pain who was diagnosed as having acute anterolateral infarction accompanied by el...
متن کاملLabyrinthotomy or vestibulotomy in anatomic and congenital variations of the oval window and facial nerve.
OBJECTIVE To present the results of our experience with labyrinthotomy or vestibulotomy in cases where the oval window is blocked by the facial nerve and in the presence of bilateral congenital agenesis of the oval window, respectively. STUDY DESIGN Retrospective analysis of the records of the patients operated in two different centers. METHODS Between 2007 and 2012, 5 ears of 4 patients wh...
متن کاملLabyrinthotomy or Vestibulotomy in Anatomic and Congenital Variations of the Oval Window and Facial Nerve
Objective: To present the results of our experience with labyrinthotomy or vestibulotomy in cases where the oval window is blocked by the facial nerve and in the presence of bilateral congenital agenesis of the oval window, respectively. Study design: Retrospective analysis of the records of the patients operated in two different centers. Methods: Between 2007 and 2012, 5 ears of 4 patients who...
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ژورنال
عنوان ژورنال: Nippon Jibiinkoka Gakkai Kaiho
سال: 1965
ISSN: 0030-6622,1883-0854
DOI: 10.3950/jibiinkoka.68.11_1416