The role of computerized tomography in the preoperative assessment of chronic suppurative otitis media

Walshe, Peter; Walsh, R. M.; Brennan, Paul; Walsh, Michael J.

doi:10.1046/j.1365-2273.2002.00538.x

Cited by 57 publications

(52 citation statements)

References 2 publications

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“…Where our results differ is that some studies maintain that CT is not sufficient to diagnose cholesteatoma [1,5]. Computerized tomography may give an incorrect diagnosis in the early stage of cholesteatoma.…”

Section: Discussioncontrasting

confidence: 90%

“…The exact role of CT in the preoperative assessment of patients with chronic otitis media is controversial [5]. Some authors have reported a high degree of accuracy in the pathological diagnosis of ossicular chain and inner ear conditions [6] and others have concluded that CT has poor ability to diagnose cholesteatoma and should not be relied on to visualize abnormalities of the previously mentioned structures [7].…”

Section: Discussionmentioning

confidence: 99%

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An Evaluation of Preoperative Computed Tomography on Patients with Chronic Otitis Media

Yildirim-Baylan¹,

Özmen²,

Gün³

et al. 2011

Indian J Otolaryngol Head Neck Surg

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This study aimed to compare the veracity of computed tomography findings on patients undergoing surgery for chronic otitis media (COM) with the surgical findings, and to determine to what extent the preoperative computerized tomography (CT) findings are useful to the surgeon. A series of 56 patients with COM undergoing preoperative CT scanning followed by surgical exploration of the middle ear and mastoid. Operative notes were recorded and data collected on the nature of soft tissue masses, the status of the ossicles, presence or absence of facial canal dehiscence and semicircular canal (SCC) dehiscence and the presence or absence of dural plate erosion, and sigmoid sinus thrombosis. Fifty-six patients were recruited in the study, 30 males and 26 females. The age range was from 16 to 67 years with a mean of 26.51 ± 1.4 years. The preoperative CT scan imaging in cases of cholesteatoma, ossicular chain erosion and SCC dehiscence have good correlation with the intraoperative findings. The specificity of preoperative CT scan in detecting facial canal dehiscence, dural plate erosion and sigmoid sinus thrombosis in patient of COM were weak.Preoperative computed tomography evaluation is fairly useful especially in cases of cholesteatoma. According to the results of this study, CT is of value particularly in the definition of cholesteatoma, and in determining ossicular chain erosion and semicircular canal fistula.

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Section: Discussioncontrasting

confidence: 90%

Section: Discussionmentioning

confidence: 99%

An Evaluation of Preoperative Computed Tomography on Patients with Chronic Otitis Media

Yildirim-Baylan¹,

Özmen²,

Gün³

et al. 2011

Indian J Otolaryngol Head Neck Surg

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show abstract

“…100%.This finding is in agreement with that of Reilly et al [12] and Shaffer et al [14] However we could not distinguish cholesteatoma from other soft tissue disease .Walshe et al [15] in their study could not distinguish between mucosal disease and cholesteatoma. Cholesteatoma characteristically causes bone erosion and when this feature was present in association with a soft tissue mass on CT both Jackler et al [6] and O'Donoghue et al [9] found cholesteatoma to be present in 80% of cases explored.…”

Section: Soft Tissue Masssupporting

confidence: 92%

Correlation of preoperative HRCT findings with surgical findings in Unsafe CSOM

Datta¹,

Mohan²,

Mahajan³

et al. 2014

IOSRJDMS

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“…The exact role of HRCT in the preoperative assessment of patients with chronic otitis media is controversial [3].…”

Section: Discussionmentioning

confidence: 99%

Role of high resolution computed tomography of temporal bone in management of chronic suppurative otitis media

Tak¹,

Khilnani

2016

Int J Otorhinolaryngol Head Neck Surg

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INTRODUCTIONConventional radiography of the temporal bone (X-Ray mastoid bone) has not kept pace with the progress of modern otology and for this reason many otologists have felt that radiography of the temporal bone is of little value in CSOM. The diagnosis may be made entirely on clinical grounds and many surgeons feel that with experience and careful techniques the extent and nature of the pathology can be determined during the course of surgical exploration without prior information being required.The advent of HRCT has made a significant impact on the surgical management of individuals with middle ear disease. It confirms and expands upon the otoscopic findings, resolves clinical doubts, and in many circumstances plays a significant role in determining surgical technique when surgery is necessary. The surgical approach can be planned on the basis of HRCT findings.1 However, routine HRCT scanning prior to ABSTRACT Background: High Resolution Computed Tomography (HRCT) has widely replaced conventional techniques (X-Ray Mastoid bone) for temporal bone imaging. The most significant use of computed tomography lies in evaluation of cases of Chronic Suppurative Otitis Media (CSOM). The objective of the study was to evaluate the usefulness of HRCT scanning of temporal bone in defining the extent and severity of disease in patients with CSOM, thereby altering the surgical plan and outcome. Methods: This prospective study was conducted at a tertiary care hospital in Ahmedabad. After obtaining approval from IEC (Institutional Ethical Committee), study was carried out on 50 patients diagnosed with CSOM of atticoantral type. Written informed consent of all patients was taken before enrollment in the study. HRCT scan findings were reviewed and correlated with per-operative findings. Results: Out of total 50 patients of CSOM, 26 (52%) were males. Majority of the patients (70%) were in the age group of 11 to 30 years. Left ear was involved in 40% of the patients. Majority of the patients (80%) presented with chief complaint of otorrhoea. In the present study, External Auditory Canal (EAC) was seen normal in majority of patients (82%) both radio logically and per operatively. HRCT scan was found to be very sensitive (96%) in diagnosing cholesteatoma. The sensitivity of HRCT for diagnosing disease in epitympanum, antrum and aditus was found to be 100%, 97% and 88% respectively. CT scans diagnosed erosion of malleus with 100% sensitivity and specificity and erosion of incus with 91% sensitivity and 100% specificity. Conclusions: HRCT was helpful in determining the anatomy of the middle ear and mastoid, and accurately predicted the extent of the disease process of CSOM.

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The role of computerized tomography in the preoperative assessment of chronic suppurative otitis media

Cited by 57 publications

References 2 publications

An Evaluation of Preoperative Computed Tomography on Patients with Chronic Otitis Media

An Evaluation of Preoperative Computed Tomography on Patients with Chronic Otitis Media

Correlation of preoperative HRCT findings with surgical findings in Unsafe CSOM

Role of high resolution computed tomography of temporal bone in management of chronic suppurative otitis media

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