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目的:运用磁共振成像评价鼻咽癌海绵窦侵犯的影像学表现和侵犯途径。方法:回顾性分析经病理证实的140例鼻咽癌海绵窦侵犯病例的MRI图像及临床资料,观察海绵窦受侵的MRI表现和侵犯途径。结果:140例患者,受累海绵窦156侧,单途径侵犯共107侧,双途径侵犯共39侧,3条途径侵犯共8侧,4条途径侵犯共2侧。51侧(32.69%)为卵圆孔单途径受侵,42侧(26.92%)破裂孔单途径受侵,多途径侵犯中卵圆孔、破裂孔作为共同途径共26侧(16.67%)。结论:MRI能较好的评价鼻咽癌海绵窦侵犯情况及其侵犯途径,卵圆孔侵犯是最常见的单一侵犯途径,其次为破裂孔;卵圆孔、破裂孔作为共同途径在多途径侵犯中最常见;经翼腭窝、圆孔途径侵犯海绵窦并不少见。
Objective: To evaluate the imaging manifestations and invasion of nasopharyngeal carcinoma by magnetic resonance imaging. Methods: MRI images and clinical data of 140 pathologically confirmed cases of cavernous sinus invasion were retrospectively analyzed. MRI findings and invasion of cavernous sinus were observed. Results: One hundred and forty-four cases of cavernous sinus involved in cavernous sinus in one hundred and seventy patients were involved in the single causal pathology. There were 39 maladjustments in both pathways, 8 invaded in 3 pathways, and 2 invaded in 4 pathways. Fifty-one sides (32.69%) had a single path of foramen ovale invasion, 42 (26.92%) single pathways of ruptured holes were infiltrated, and multiple foramen ovales and ruptured holes were common pathways in 26 sides (16.67%). Conclusion: MRI can better evaluate the invasion of nasopharyngeal carcinoma and invasion of cavernous sinus approach, foramen ovale invasion is the most common single violation, followed by rupture; foramen ovale, rupture as a common pathway in multiple ways violations In the most common; by the pterygopalatine fossa, round hole approach is not uncommon for violations of the cavernous sinus.