Northern clinics of Istanbul · 2018
An evaluation of magnetic resonance imaging with histogram analysis in patients with idiopathic subjective tinnitus.
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Baykara Murat, Sagiroglu Saime
Аннотация
OBJECTIVE: Tinnitus is defined as the perception of sound in the ears without any acoustic stimulus. It has still not been determined whether tinnitus originates peripherally, centrally, or from several locations. The aim of the study was to determine any possible cochlear pathology in patients with normal hearing and tinnitus of unspecified etiology.
METHODS: The study included 22 patients who presented at the clinic with the complaint of idiopathic subjective tinnitus that had been ongoing for at least 1 year. A total of 44 ears were included; 28 with tinnitus and 16 healthy ears. Unilateral tinnitus was determined in 16 patients and bilateral in six patients. The temporal magnetic resonance imaging (MRI) and audiogram results of the patients were retrieved from the hospital records. The MRI histogram measurement was made automatically and calculated for each ear separately.
RESULTS: Entropy was found to be significantly higher in the control group and distribution was lower (p>0.01). In the tinnitus group, distribution was found to be broader, and kurtosis was statistically significantly greater (p<0.001).
CONCLUSION: MRI histogram analysis can be considered as a method to be used in the clinical evaluation of the determination of possible cochlear pathology in ears with tinnitus.
METHODS: The study included 22 patients who presented at the clinic with the complaint of idiopathic subjective tinnitus that had been ongoing for at least 1 year. A total of 44 ears were included; 28 with tinnitus and 16 healthy ears. Unilateral tinnitus was determined in 16 patients and bilateral in six patients. The temporal magnetic resonance imaging (MRI) and audiogram results of the patients were retrieved from the hospital records. The MRI histogram measurement was made automatically and calculated for each ear separately.
RESULTS: Entropy was found to be significantly higher in the control group and distribution was lower (p>0.01). In the tinnitus group, distribution was found to be broader, and kurtosis was statistically significantly greater (p<0.001).
CONCLUSION: MRI histogram analysis can be considered as a method to be used in the clinical evaluation of the determination of possible cochlear pathology in ears with tinnitus.