Profile of Temporal Bone Computed Tomography Examinations at the University Hospital Center (CHU) Campus of Lomé

  • Judith Edwige Guiaba Kette Mokpondo Department of Radiology, CHU-Campus Lomé, Lomé, Togo
  • Timothee Mobima National Center for Medical Imaging, Bangui, Central African Republic
  • Aime Stephane Kouzou Community Hospital Center of Bangui, Bangui, Central African Republic
  • Chrispin Euloge Tapiade National Center for Medical Imaging, Bangui, Central African Republic
  • Francky Kouandongui Bangue Songrou National Center for Medical Imaging, Bangui, Central African Republic
  • Christ Borel Tambala National Center for Medical Imaging, Bangui, Central African Republic
  • Heritier Yannick Sombot Soule Maman Elisabeth DOMITIEN Hospital Center, Bangui, Central African Republic
  • Lantam Sonhaye Department of Radiology, CHU-Campus Lomé, Lomé, Togo
  • Victor Adjenou Department of Radiology, CHU-Campus Lomé, Lomé, Togo
Keywords: Computed tomography, petrous bone, profile, trauma, hearing loss, Lomé

Abstract

Introduction: The petrous bone is the inferior part of the temporal bone. It plays a crucial role in hearing and balance in the human body and is the site of a wide variety of pathologies, making it a public health concern. The aim of this study was to determine the profile of petrous bone computed tomography (CT) examinations.

Methods: This was a prospective, descriptive study conducted over a 6-month period, involving 34 petrous bone CT examinations performed in the CT unit of the CHU-Campus in Lomé. The parameters analyzed included epidemiological data and lesions identified on CT imaging.

Results: Out of 6,328 CT examinations performed during the study period, 34 were petrous bone CT scans, representing 0.5%. All age groups were affected, with a predominance of the 31-40 year age group (23.5%). Males were predominant, with a sex ratio of 2.1. Drivers were the most represented occupational group (23.5%). The most frequent indication was petrous bone trauma (44.1%), with road traffic accidents being the leading cause (73.3%). In all cases, the examination was performed without contrast injection. CT findings were pathological in 70.6% of cases, mainly in trauma, conductive hearing loss, chronic otitis media, external auditory canal (EAC) stenosis, and pulsatile tinnitus. The main traumatic lesion identified was extra labyrinthine fractures (91.7%). Incudo-malleolar dislocation was the most common ossicular lesion (25%). Hemotympanum was observed in 83.3% of cases. CT scans were normal in 29.4% of cases, particularly in patients with vertigo/tinnitus, mixed hearing loss, conductive hearing loss associated with tinnitus, otalgia, and non-traumatic facial paralysis.

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Published
2026-02-28
How to Cite
Guiaba Kette Mokpondo, J. E., Mobima, T., Kouzou, A. S., Tapiade, C. E., Kouandongui Bangue Songrou, F., Tambala, C. B., Sombot Soule, H. Y., Sonhaye, L., & Adjenou, V. (2026). Profile of Temporal Bone Computed Tomography Examinations at the University Hospital Center (CHU) Campus of Lomé. European Scientific Journal, ESJ, 22(6), 74. https://doi.org/10.19044/esj.2026.v22n6p74
Section
ESJ Natural/Life/Medical Sciences