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Clinical-radiological Correlation in Temporal Bone Fractures.

José Manuel Morales Puebla¹, Natalia López Juanes², Manuel Varo Alonso³

¹Servicio de Otorrinolaringología, Hospital Universitario La Paz, Madrid, Spain.

Acta Otorrinolaringologica Espanola

|September 18, 2021

Summary

The traditional classification of temporal bone fractures (TBF) is reproducible and aids in predicting clinical outcomes. Analyzing otic capsule involvement alongside fracture type enhances diagnostic accuracy for TBF.

Keywords:

Computed tomography Cápsula ótica Facial paralysis Fractura de hueso temporal Hearing loss Hipoacusia Otic capsule Parálisis facial Temporal bone fracture Tomografía computarizada

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A Method to Estimate Cadaveric Femur Cortical Strains During Fracture Testing Using Digital Image Correlation

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Published on: September 14, 2017

Area of Science:

Radiology
Otolaryngology
Trauma Surgery

Background:

Temporal bone fractures (TBF) diagnosis relies on radiological imaging, with longitudinal, transverse, and mixed classifications being standard.
Emerging classifications aim to improve prediction of clinical manifestations associated with TBF.

Purpose of the Study:

Review computed tomography (CT) images of TBF to define radiological patterns and assess concordance with reports.
Analyze the association between TBF types and clinical findings.
Investigate the impact of mastoid pneumatization on TBF characteristics.

Main Methods:

Retrospective analysis of 110 TBF cases diagnosed via CT between January 2016 and May 2019.
Evaluation of fracture patterns, clinical associations, and mastoid pneumatization.

Main Results:

Identified 52 transverse (47%), 34 longitudinal (30%), and 19 mixed (17%) TBF with good interobserver agreement (k = .637).
Longitudinal fractures correlated with conductive hearing loss (P < .001); transverse fractures with sensorineural hearing loss (P = .005).
Otic capsule involvement (8.2%) linked to sensorineural hearing loss (P < .001), facial paralysis (P = .019), and vertigo (P = .035). Greater pneumatization was associated with fracture frequency and otic capsule involvement (P = .024).

Conclusions:

The traditional TBF classification is reproducible.
Integrating otic capsule involvement analysis improves the association between fracture type and clinical findings.
Mastoid pneumatization does not confer protection against TBF or otic capsule involvement.