Longitudinal vs transverse petrous temporal bone fracture
Last revised by Yaïr Glick on 29 Sep 2022
Citation, DOI, disclosures and article data
Citation:
Thapa S, Glick Y, Smith D, et al. Longitudinal vs transverse petrous temporal bone fracture. Reference article, Radiopaedia.org (Accessed on 18 Apr 2024) https://doi.org/10.53347/rID-57064
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rID:
57064
Article created:
5 Dec 2017,
Subash Thapa
Disclosures:
At the time the article was created Subash Thapa had no recorded disclosures.
View Subash Thapa's current disclosures
Last revised:
29 Sep 2022,
Yaïr Glick ◉
Disclosures:
At the time the article was last revised Yaïr Glick had no financial relationships to ineligible companies to disclose.
View Yaïr Glick's current disclosures
Revisions:
6 times, by
5 contributors -
see full revision history and disclosures
Systems:
Synonyms:
- Longitudinal versus transverse petrous temporal bone fracture
- Transverse versus longitudinal petrous temporal bone fracture
- Transverse vs longitudinal petrous temporal bone fracture
Petrous temporal bone fractures are classically divided into longitudinal, transverse or mixed fracture patterns, depending on the direction of fracture plane with respect to the long axis of the petrous temporal bone. Some features may aid in distinguishing them.
On this page:
Longitudinal petrous temporal bone fracture
- more common pattern of temporal bone fracture (70-90%)
- the fracture line is parallel to the long axis of the petrous temporal bone
- the otic capsule is spared
- ossicles are often involved, resulting in conductive hearing loss
- involvement of the tympanic membrane
- possible facial nerve involvement (~25%)
Transverse petrous temporal bone fracture
- less common pattern of temporal bone fracture (10-30%)
- the fracture line is perpendicular to the long axis of the petrous temporal bone
- the otic capsule is often involved, resulting in sensorineural hearing loss
- the ossicles and the tympanic membrane are usually spared
- facial nerve involvement more common (~50%)
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