Accuracy of multislice computed tomography scan in cases with facial nerve paralysis due to temporal bone trauma
Shokry, M., Sameh, S., Raghib, M., Sayed, S., Aboshanif, M. (2022). Accuracy of multislice computed tomography scan in cases with facial nerve paralysis due to temporal bone trauma. EKB Journal Management System, 8(2), 1-8. doi: 10.21608/ejnso.2022.248756
Mohamed Shokry; Sally Sameh; Mahmoud Raghib; Samy Abd ElAziz Sayed; Mohamed Aboshanif. "Accuracy of multislice computed tomography scan in cases with facial nerve paralysis due to temporal bone trauma". EKB Journal Management System, 8, 2, 2022, 1-8. doi: 10.21608/ejnso.2022.248756
Shokry, M., Sameh, S., Raghib, M., Sayed, S., Aboshanif, M. (2022). 'Accuracy of multislice computed tomography scan in cases with facial nerve paralysis due to temporal bone trauma', EKB Journal Management System, 8(2), pp. 1-8. doi: 10.21608/ejnso.2022.248756
Shokry, M., Sameh, S., Raghib, M., Sayed, S., Aboshanif, M. Accuracy of multislice computed tomography scan in cases with facial nerve paralysis due to temporal bone trauma. EKB Journal Management System, 2022; 8(2): 1-8. doi: 10.21608/ejnso.2022.248756

Accuracy of multislice computed tomography scan in cases with facial nerve paralysis due to temporal bone trauma

Egyptian Journal of Neck Surgery and Otorhinolaryngology
Article 1, Volume 8, Issue 2, August 2022, Page 1-8  XML PDF (464.11 K)
Document Type: Original Article
DOI: 10.21608/ejnso.2022.248756
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Authors
Mohamed Shokry1; Sally Sameh2; Mahmoud Raghib1; Samy Abd ElAziz Sayed3; Mohamed Aboshanif1
1Otorhinolaryngology Department, Faculty of Medicine, Assiut University, Assiut, Egypt
2Otorhinolaryngology Department, Alkharga general hospital, Egypt
3Radiodiagnostic Department, Faculty of Medicine, Assuit University
Abstract
Background:  One of the most serious complications of temporal bone fracture is facial nerve paralysis. Early diagnosis of traumatic facial nerve paralysis has a very crucial impact on its outcome. To reach an optimum diagnosis, this requires good imaging modalities.
Objective:  We aimed to determine the validity of multislice computed tomography in temporal bone fracture.
Patients and methods: We enrolled 20 patients with traumatic facial nerve paralysis secondary to temporal bone fracture with a mean age of 23.10±11.44 years. Most of the patients were males, and motor car accident was the most frequent cause of trauma. All patients had preoperative high-resolution CT(HRCT) scanning, and the results were compared with the intraoperative findings.
Results:  HRCT had the highest diagnostic accuracy (95%) for the detection of the mastoid process and otic capsule fractures, followed by squamous part fracture (80%). The least diagnostic accuracy was in the detection of fracture of the posterior meatal wall (45%). Fracture of the tympanic portion of the temporal bone was present in three patients while HRCT failed to catch it. Bone chips and edema of the facial nerve were the most frequent findings intraoperatively.
Conclusion:  HRCT has an additive role in the assessment of facial nerve injury in case of temporal bone fracture, but should be interpreted with caution where it might underestimate the severity in some cases.
Keywords
Temporal bone; Facial nerve; HRCT; Facial paralysis
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