嬰幼兒正常內(nèi)耳結(jié)構(gòu)的HRCT測量
[Abstract]:Objective to evaluate the condition of inner ear before cochlear implantation (CI), and to evaluate the development of inner ear by HRCT measurement of normal inner ear structure in infants. Materials and methods 129 patients (258 ears) with normal temporal bone HRCT images were prospectively divided into group A (n = 92) (184 ears), B group (n = 21) 1 ~ 12 months (n = 21), C group (n = 16) (n = 16, n = 32, 25 ~ 36 months). The median height of cochlea, the diameter of basal circumference of cochlea, the inner diameter of basal pericochlea, the (CNC) width of cochlear canal, the long diameter of cochlear aqueduct (CA), the diameter of CA outer mouth and the diameter of (LSCC) island of outer semicircular canal were measured. Results there was no significant difference in cochlear basal circumference diameter, inner diameter of cochlea, height of middle parietal circumference, CNC width and LSCC bone island width in different age, sex and lateral sex (P0.05). The difference was not statistically significant (P0.05), but increased with age. There was no statistical significance between the positive rate of LSCC bone island center transparency in different sex and side (P0.05). The positive rate was the highest in group A, and the positive rate decreased with the increase of age. Conclusion HRCT measurement of normal inner ear structure in infants is helpful to understand the developmental characteristics of inner ear structure and provide reference for evaluating inner ear condition before CI.
【作者單位】: 鄭州大學(xué)第三附屬醫(yī)院放射科;
【基金】:河南省教育廳科學(xué)技術(shù)研究重點(diǎn)項(xiàng)目(12A310017)
【分類號】:R816.96
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