Document Detail

Normative Inner Ear Volumetric Measurements.
MedLine Citation:
PMID:  25490572     Owner:  NLM     Status:  Publisher    
In the current study, we attempted to determine normative inner ear volumetric measurements generated from three-dimensional computed tomography (CT) images. In addition, we investigated a correlation between the axial length and the volume of the labyrinth and discussed clinical outcomes of this correlation. Amira 5.2.2 software was used to create three-dimensional isosurface images of the human labyrinth using two-dimensional CT images from 35 anatomically normal patients. With the three-dimensional labyrinths, complete dimensional analysis was performed to gain insight into both the volume and the greatest axial length of the inner ear. Paired t test and Pearson correlation were used. Our volume of the inner ear inquiry reported a mean volume of 221.5 with SD of 24.3 μL (0.228 μL for males and 0.218 μL for females). The length showed a mean of 1.713 cm with SD of 0.064 cm (1.753 cm for males and 1.695 cm for females). The length was used to estimate the volume, and the estimates were within 10% of the measured volume 74.3% of the time. Normative volumetric measurements of the inner ear can be obtained by using three-dimensional CT Imaging by Amira 5.2.2 software. There was a statistically significant positive correlation between the axial length of the labyrinth and the volume of the labyrinth. The axial length of the labyrinth could be used to estimate the volume of the labyrinth, which may be clinically important to estimate the concentration of the drug distributed in the inner ear.
Michael T Teixido; Gary Kirkilas; Peter Seymour; Kanik Sem; Alberto Iaia; Omar Sabra; Huseyin Isildak
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-12-8
Journal Detail:
Title:  The Journal of craniofacial surgery     Volume:  -     ISSN:  1536-3732     ISO Abbreviation:  J Craniofac Surg     Publication Date:  2014 Dec 
Date Detail:
Created Date:  2014-12-9     Completed Date:  -     Revised Date:  2014-12-10    
Medline Journal Info:
Nlm Unique ID:  9010410     Medline TA:  J Craniofac Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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