High resolution multi detector computed tomography of temporal bone: Our experience in a tertiary care service hospital

Jyotindu Debnath, Raju A. George, Lovleen Satija, Dilip Raghavan, Ashima Vaidya, Piyush Joshi, Ankit Mathur, M. D. Venkatesh, P. S. Sukhtankar, Jitender Singh

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Abstract

High resolution multi detector computed tomography (HRMDCT) is an excellent tool for evaluation of a variety of congenital and acquired conditions affecting the temporal bones. We describe our experience of HRMDCT of temporal bones of 145 patients in a tertiary care and teaching hospital of Armed Forces Medical Services of India over a period of three and half years. Hearing loss was the most frequent indication for HRMDCT and congenital bilateral profound sensorineural hearing loss for evaluation prior to possible cochlear implant formed the single largest group (62, 42%) among all indications for HRMDCT of temporal bones. Major vestibule-cochlear and semicircular canal anomalies were noted in 11 such cases. Seven patients of microtia were studied and all had positive CT scan findings. All patients of vertigo had normal HRCT study. Extent of temporal bone injuries and inflammatory conditions were clearly delineated in all cases. Thinner collimations allowing image reconstructions in planes of anatomical interest with near isotropic resolution has been a major advantage of HRMDCT of temporal bones.

Original languageEnglish
Pages (from-to)S512-S519
JournalIndian Journal of Otolaryngology and Head and Neck Surgery
Volume65
DOIs
Publication statusPublished - 01-12-2013

All Science Journal Classification (ASJC) codes

  • Surgery
  • Otorhinolaryngology

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