The thin sectional anatomy of the temporal bone correlated with multislice spiral CT |
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Authors: | Junping Zhen Cheng Liu Shaoyu Wang Shuwei Liu Jingzhen He Jun Wang Haisong Chen |
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Affiliation: | (1) Shandong University, Jinan, Shandong, China;(2) Shandong Medical Imaging Research Institute, Jinan, Shandong, China;(3) Shanxi Medical University, Shanxi, China;(4) CT Department, Shandong Medical Imaging Research Institute, 324 jingwu road, Jinan, Shandong, 250021, China |
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Abstract: | The aim of this study was to explore the method for obtaining the thin sectional anatomy data of the adult temporal bone and study the fine structures using this method. Three fresh adult cadaveric heads were scanned with multi-slice computer tomography (MSCT) centered on petrous bones. The CT images of 0.6 mm were obtained by multi-planar reformation (MPR). The slices of 0.1 mm were shaved off the specimen in the axial direction with the numerical control milling machine after being embedded and frozen, pictures of which were taken by the digital camera and saved in the computer. The thin axial sectional anatomic structures of the intra-temporal were investigated and correlated with MPR images. Via the comparison, fifty micro-anatomic structures of the temporal bone that can’t be delineated clearly or missed in the thick sections were evaluated. The anatomical details of the temporal bone can be clearly delineated in MSCT in sub-millimeter and were identical to those in sectional anatomy images. This method can supply anatomical details that had been missed or overlooked for imaging diagnosis and surgical anatomy. |
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Keywords: | Temporal bone Sectional anatomy Numerical control milling technique Multi-slice CT |
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