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International Journal of Otolaryngology
Volume 2014, Article ID 808759, 7 pages
http://dx.doi.org/10.1155/2014/808759
Clinical Study

Radiological Assessment of the Indian Children with Congenital Sensorineural Hearing Loss

1Department of Otorhinolaryngology and Head, Neck Surgery, Sir Ganga Ram Hospital, New Delhi 110049, India
2Department of Radiology, Sir Ganga Ram Hospital, New Delhi 110049, India

Received 10 February 2014; Revised 23 June 2014; Accepted 23 June 2014; Published 14 July 2014

Academic Editor: Myer III Myer

Copyright © 2014 Sangeet Kumar Agarwal et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Introduction. Congenital sensorineural hearing loss is one of the most common birth defects with incidence of approximately 1 : 1000 live births. Imaging of cases of congenital sensorineural hearing loss is frequently performed in an attempt to determine the underlying pathology. There is a paucity of literature from India and for this reason we decided to conduct this study in Indian context to evaluate the various cochleovestibular bony and nerve anomalies by HRCT scan of temporal bone and MRI with 3D scan of inner ear in a tertiary care centre. Material and Methods. A total of 280 children with congenital deafness (158 males and 122 females), between January 2002 to June 2013 were included in the study and they were assessed radiologically by HRCT scan of temporal bone and MRI with 3D scan of inner ear. Results. In the present study we found various congenital anomalies of bony labyrinth and vestibulocochlear nerve. Out of 560 inner ears we found 78 anomalous inner ears. Out of these 78 inner ears 57 (73%) had cochlear anomaly, 68 (87.1%) had anomalous vestibule, 44 (56.4%) had abnormal vestibular aqueduct, 24 (30.7%) had anomalous IAC, and 23 (29.4%) had abnormal cochleovestibular nerves. Conclusion. In present study, we found lower incidences of congenital anomalies comparative to existing literature.