Objective: To estimate the number of mesial temporal sclerosis cases based on resonance imaging among temporal lobe epileptic patients.
Methods: This was a cross-sectional retrospective study conducted at King Fahad Medical City (KFMC) among the adult population with epilepsy who underwent MRI scans from January to December, 2022.
Results: A total of 97 patients were included, of which 43.3% had temporal, whereas 30.9% had extra temporal epilepsy. Based on magnetoencephalography/positron emission tomography (MEG/PET), 25.8% had mesial temporal sclerosis (MTS), but based on MRI, 20.6%, 40.2%, and 12.4% had right, left, and bilateral MTS, respectively. There were significant associations between temporal epilepsy and each of MTS (p = 0.0001), left MTS (p = 0.015), emergency medical unit (EMU) admission (p = 0.002), and intensive care unit (ICU) stay (p = 0.048).
Conclusion: Temporal lobe epilepsy was the most common prevalent type among the patients. Based on MRI, MTS was highly prevalent among temporal lobe epilepsy (TLE) patients, especially those with left MTS.
Key words: Mesial temporal sclerosis, prevalence, epilepsy, estimation, Saudi Arabia
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