论文部分内容阅读
目的:通过观察额隐窝区域的CT影像学特征,对该区域重要的解剖结构进行分析和研究。方法:选择82例(164侧)患者,对头部行多排螺旋CT扫描(螺距1 mm,扫描层厚5 mm,层距5 mm),然后在图像工作站上进行冠状位图像重建。观察影像上鼻丘气房、钩突上端附着点、额气房、眶上气房、额泡气房和额窦内间隔气房等解剖标志的出现概率。结果:鼻丘气房的出现率为87.8%。钩突前上部参与构成鼻丘气房的内壁、上壁、下壁和后壁,后上部向上可有单一附着点(89%)或2个附着点(11%)。钩突后上部的单一附着点主要位于眶纸板(54.9%),也可附着于中鼻甲(30.5%)或颅底(3.0%)。钩突后上部的2个附着点主要附着于眶纸样板和颅底(15侧,9.2%),也可附着于眶纸板和中鼻甲(4侧,2.4%)。额气房的出现率为40.3%,其中Ⅰ、Ⅱ型(30.5%)最多见,Ⅲ型和Ⅳ型(9.8%)少见,额窦间隔气房的出现率为4.3%。结论:额气房在额窦炎的发病过程中起着重要作用。
OBJECTIVE: To observe the CT image features of the frontal crypt area and analyze the important anatomic structures in this area. Methods: Totally 82 patients (164 sides) underwent multi-slice spiral CT scan (1 mm of pitch, 5 mm of scan thickness and 5 mm of layer thickness) on the head. The coronal images were reconstructed on the image workstation. Observe the appearance probability of anatomical landmarks on the nasal dome, the upper attachment of the uncinate process, the frontal air space, the supraorbital atrium, the frontal air bubble and the frontal sinus septum. Results: The incidence of nasal cavity was 87.8%. The upper front of the uncinate process participates in the inner wall, upper wall, inferior wall and posterior wall of the nasal cavity, with a single attachment point (89%) or two attachment points (11%) up the posterior upper part. The single upper attachment point after the hook was mainly located in the orbital cardboard (54.9%) and also in the middle turbinate (30.5%) or skull base (3.0%). The two attachment points on the upper part of the crocid process are mainly attached to the orbital paper model and the skull base (15%, 9.2%), and can also be attached to the orbital cardboard and the middle turbinate (4%, 2.4%). The prevalence of frontal air room was 40.3%, of which type Ⅰ and Ⅱ (30.5%) were the most common, while type Ⅲ and Ⅳ (9.8%) were rare. The incidence of frontal sinus space was 4.3%. Conclusion: The frontal air chamber plays an important role in the pathogenesis of frontal sinusitis.