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[Post-traumatic temporal lobe lesions: surgical decision making based on CT scan findings]
Alexandre Varella Giannetti1, Mirto Nelso Prandini, Audrey Beatriz Santos Araujo
1Hospital João XXIII, FHEMIG, Belo Horizonte, MG, Brasil. agjg@zaz.com.br
Arquivos De Neuro-Psiquiatria
|August 2, 2005
Summary
Surgical decisions for temporal lobe lesions depend on lesion characteristics. More anterior lesions with smaller diameters may favor conservative treatment, while altered brain structures may indicate surgery.
Area of Science:
- Neurosurgery
- Neuroradiology
- Traumatic Brain Injury
Background:
- Surgical intervention for post-traumatic temporal lobe parenchymal lesions lacks clear indications.
- Controversy exists regarding the optimal management strategy for these injuries.
Purpose of the Study:
- To identify tomographic parameters that can guide surgical decisions for temporal lobe lesions.
- To correlate lesion characteristics with treatment outcomes.
Main Methods:
- Retrospective analysis of tomographic findings in 69 patients with temporal lobe lesions.
- Evaluation of lesion effects (midline shift, cisterns, ventricles, sulci) and characteristics (location, diameter).
Main Results:
- Conservative treatment was chosen for 22 of 38 lesions with minimal or no tomographic alterations.
- Surgery was performed in two cases with all four assessed variables altered.
- Lesion location (anterior, posterior, anteroposterior) and diameter influenced surgical consideration, with a 50% chance of removal for specific sizes.
Conclusions:
- The anteriorly located temporal lobe lesions were associated with smaller diameters among surgically treated patients.
- Tomographic parameters are valuable in determining the need for surgical intervention in temporal lobe lesions.

