Dalchow Carsten V, Weber Alfred L, Yanagihara Naoaki, Bien Siegfried, Werner Jochen A
Department of Otolaryngology, Head and Neck Surgery, Philipps University Marburg, Deutschhausstr. 3, 35037 Marburg, Germany.
AJR Am J Roentgenol. 2006 Feb;186(2):416-23. doi: 10.2214/AJR.04.1353.
We evaluated the clinical applicability and the value of digital volume tomography for visualization of the lateral skull base using temporal bone specimens.
Twelve temporal bone specimens were used to evaluate digital volume tomography on the lateral skull base. Aside from the initial examination of the temporal bones, radiologic control examinations were performed after insertion of titanium, gold, and platinum middle-ear implants and a cochlear implant.
With high-resolution and almost artifact-free visualization of alloplastic middle-ear implants of titanium, gold, or platinum, it was possible to define the smallest bone structures or position of the prosthesis with high precision. Furthermore, the examination proved that digital volume tomography is useful in assessing the normal position of a cochlear implant.
Digital volume tomography expands the application of diagnostic possibilities in the lateral skull base. Therefore, we believe improved preoperative diagnosis can be achieved along with more accurate planning of the surgical procedure. Digital volume tomography delivers a small radiation dose and a high resolution coupled with a low purchase price for the equipment.
我们使用颞骨标本评估数字容积断层成像技术在可视化侧颅底方面的临床适用性和价值。
使用12个颞骨标本评估侧颅底的数字容积断层成像技术。除了对颞骨进行初始检查外，在植入钛、金和铂中耳植入物以及人工耳蜗后进行放射学对照检查。
通过对钛、金或铂等人工中耳植入物进行高分辨率且几乎无伪影的可视化，可以高精度地确定最小的骨结构或假体位置。此外，该检查证明数字容积断层成像技术在评估人工耳蜗的正常位置方面很有用。
数字容积断层成像技术扩展了侧颅底诊断可能性的应用范围。因此，我们相信可以实现更好的术前诊断，并更准确地规划手术过程。数字容积断层成像技术辐射剂量小、分辨率高，且设备购置价格低。
