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目的:探讨鼻咽癌患者CT显示侵犯颅底的范围、分型、复发及临床意义。方法:分析270例上行型侵犯颅底组及153例发展下行型局限型的患者常规轴位扫描,部分加扫冠状位扫描。可疑复发者常规增强扫描。结果:其中颅底侵犯组以颅中窝骨质破坏最多,占98%,其中蝶骨受侵最明显。分型分硬化型、溶骨型和混合型。颅底复发者在270例中占54例,153例中占14例。结论:CT对鼻咽癌侵犯颅底表现,显示侵犯范围,分期,制定最佳治疗方案及时早期发现复发有重要意义。
Objective: To investigate the range, classification, recurrence and clinical significance of CT in patients with nasopharyngeal carcinoma invade skull base. Methods: The routine axial scanning of 270 patients with upward skull base invasion and 153 patients with developmental descending type was analyzed, and some of them were scanned with coronal scan. Suspected relapse routine enhanced scan. Results: In the group of skull base infiltration, the bone destruction in the middle cranial fossa was the most, accounting for 98%, of which the sphenoid bone invasion was the most obvious. Sub-type sclerosis, osteolytic and mixed type. Skull base recurrence in 270 cases accounted for 54 cases, 153 cases accounted for 14 cases. Conclusion: CT of the skull base for the performance of nasopharyngeal carcinoma showed violations, staging, to develop the best treatment and early detection of recurrence of great significance.