Comparative Study of Findings of Preoperative Computerised Tomography of Mastoids With Intraoperative Findings in Cases With Csom

Nath, Ranjan Kumar; Das, Biraj Kumar; R, Madhurjya Thakur K; Choudhury, Mrinmoy Mayur

doi:10.14260/jemds/2016/1327

Cited by 2 publications

(3 citation statements)

References 12 publications

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“…10 Nath RK et al found that sensitivity and specificity in respect to ossicular erosion, sinus plate erosion, SCC erosion, facial canal and tegmen plate dehiscence ranges from 70 to100%. 12 Low sensitivity in detection of facial canal dehiscence, labyrinthine fistula and sinus plate erosions was noted in our study, compared to other parameters studied. This can be justified that the soft tissue covering the small defect, which was not so obvious on HRCT scan or it might have developed during progression of the disease over the period of time if the patient was not operated immediately.…”

Section: Discussioncontrasting

confidence: 66%

“…Nath RK et al found that sensitivity and specificity of 100% with regards to soft tissue masses in mastoids and middle ears. 12 Gomaa et al in a comparative study including 56 patients reported accuracy and sensitivity of HRCT in detecting cholesteatoma (92.8%), its location and extension (96.4%). 13 HRCT was able to detect all patients (38) with malleus intactness.…”

Section: Discussionmentioning

confidence: 96%

“…Nath RK et al found that sensitivity and specificity of 100% with regards to soft tissue masses in mastoids and middle ears. 12 Extension of cholesteatoma into the mastoid was found in 57 patients in HRCT whereas intra-operatively it was observed in 56 patients with 01 false positive on HRCT scan likely due to associated inflammatory changes (Figure 2). Sensitivity, specificity, PPV NPV and diagnostic accuracy in detection of mastoid extension 100%, 83.1%, 98.2%, 100%, 98.3%, respectively.…”

Section: Discussionmentioning

confidence: 98%

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Comparative study of pre-operative high-resolution computed tomography in middle ear cholesteatoma with per-operative findings

et al. 2023

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Background: Imaging plays an important role in the management of middle ear pathology. Temporal bone imaging is challenging and involves deep understanding of the anatomy, especially in relation to high resolution computed tomography (HRCT) imaging. An HRCT scan can precisely determine the site and extension of cholesteatoma and its sac, assessing the erosion of ossicles, evaluating the facial nerve in its entire course, tegmen and sinus plate, and determining Dural, sigmoid sinus, and jugular bulb positions. Methods: This prospective descriptive study was performed from January 2018 to May 2019 in 60 patients with cholesteatoma who were referred to the Otolaryngology department of the Command Hospital Kolkata. Preoperative high-resolution temporal bone CT scans were carried out and compared with intraoperative findings. Results: Evaluation of 60 patients and their CT scans revealed excellent correlation for presence of soft tissue mass and its extent into the middle ear and mastoid, erosion of scutum, erosion of ossicular chain and tegmen plate, good correlation for facial canal dehiscence, labyrinthine fistula and sinus plate erosions. Conclusions: HRCT temporal bone is essential for anatomical determination of cholesteatoma and its complication. Careful and thorough evaluation is needed for the early diagnosis and treatment of the disease, to prevent complications and preserve hearing. The extent of disease and associated complications like facial nerve paralysis, labyrinthine fistula, and intracranial complications often will determine the aggressiveness of the surgical approach.

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Section: Discussioncontrasting

confidence: 66%

Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 98%

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Comparative study of pre-operative high-resolution computed tomography in middle ear cholesteatoma with per-operative findings

et al. 2023

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Comparative Study of Preoperative Radiological Findings with Intraoperative Surgical Findings in Squamosal Type of Chronic Otitis Media

Pradeep¹,

Dev²,

Raju³

et al. 2021

jemds

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BACKGROUND Chronic otitis media (COM) of squamosal type is associated with cholestatoma with potential complications. Clinical examination and high resolution computed tomography (HRCT) scans are necessary to assess the disease site and extension. The purpose of the study was to compare the preoperative HRCT findings with the intraoperative surgical findings in squamosal type of chronic otitis media as well as various parameters in HRCT temporal bone and intraoperative findings. METHODS A prospective study was conducted on 30 patients aged between 18 and 60 years of both the genders who presented with chronic otitis media squamosal type, for a period of 22 months who attended the outpatient department of ENT. RESULTS HRCT findings and intraoperative findings were compared and results were analysed. Facial canal erosion (P - 0.0031), tegmen plate erosion (P - 0.0001), sigmoid sinus plate erosion (P - 0.002) were found to be statistically significant. Lateral semicircular canal fistula (P - 0.36) and ossicular status malleus (P - 1.000), incus (P - 0.949), stapes suprastructure (P - 0.984), and stapes footplate erosion (P - 0.977) were found to be statistically insignificant. CONCLUSIONS In our study, HRCT imaging for COM squamosal type, accurately depicted the soft tissue mass, erosion of tegmen plate, sigmoid sinus plate, scutum, lateral semicircular canal fistula, incus and suprastructure of stapes erosion and the same were found intraoperatively as well. Our study showed good comparison between the preoperative HRCT scans and the surgical findings in cholesteatoma cases. HRCT is confirmed to be valuable in the diagnosis and in guiding the surgical management of cholesteatoma. KEY WORDS Chronic Otitis Media, Cholesteatoma, HRCT Temporal Bone, Modified Radical Mastoidectomy

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Comparative Study of Findings of Preoperative Computerised Tomography of Mastoids With Intraoperative Findings in Cases With Csom

Cited by 2 publications

References 12 publications

Comparative study of pre-operative high-resolution computed tomography in middle ear cholesteatoma with per-operative findings

Comparative study of pre-operative high-resolution computed tomography in middle ear cholesteatoma with per-operative findings

Comparative Study of Preoperative Radiological Findings with Intraoperative Surgical Findings in Squamosal Type of Chronic Otitis Media

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