Journal of Otology & RhinologyISSN: 2324-8785

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Research Article, J Otol Rhinol Vol: 4 Issue: 3

How Reliable is Preoperative Temporal Bone CT in Mastoid Surgery?

Neeraj Sethi*, Amy Rafferty and Ratnamala Kayarkar
Mid-Yorkshire NHS Trust, Pinderfields Hospital, Aberford Road, Wakefield, West Yorkshire, WF1 4DG, United Kingdom
Corresponding author : Neeraj Sethi
3 Victoria St, Leeds, West Yorkshire, LS7 4PA, UK
Tel: 07980-281 223
E-mail: [email protected]
Received: November 22, 2014 Accepted: April 17, 2015 Published: April 29, 2015
Citation: Sethi N, Rafferty A, Kayarkar R (2015) How Reliable is Preoperative Temporal Bone CT in Mastoid Surgery?. J Otol Rhinol 4:3. doi:10.4172/2324-8785.1000228

Abstract

How Reliable is Preoperative Temporal Bone CT in Mastoid Surgery?

Objective: To evaluate the reliability of high resolution computerized tomography (HRCT) of the temporal bone in assessing local complications of active squamous chronic otitis media (cholesteatoma) preoperatively.

Methods: 156 patients having undergone mastoid surgery were identified. Prospectively collected intraoperative information was compared to preoperative findings for four specific parameters.

Results: Relatively low sensitivities for all four parameters were found ranging from 11% for facial nerve canal dehiscence to 35% for ossicular chain erosion.

Conclusions: This study emphasises the need for surgeons not to be misled by preoperative HRCT. The role of imaging in anticipating complications is by no means definitive.

Keywords: Otology; Computed tomography; Cholesteatoma; Chronic Otitis media; Radiology

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