Objective To assess the value of MR imaging in diagnosing Thorriwaldt's cyst. Methods MRI of 11 patients (4 men, 7 women; age range; 32—67 years, mean age 55.7 years) with Tbornwaldt's cyst was retrospectively analyzed. Results The Thornwaldt's cysts in all patients had thin and smooth wails as well as long, equal or short T1 and T2 signals. The cysts were located typically in the nasopharynx between the longus capiiis muscles. Conclusion Thornwaldt's cyst has typical MRI characteristics, which are useful for diagnosis.%目的 探讨 MRI 对 Thomwaldt's囊肿的诊断价值.方法 11例Thornwaldt's囊肿,男 4 例,女 7 例,年龄32-67岁,平均55.7岁,回顾性分析其MR T1WI及T2WI的表现.结果 11例Thomwaldt's囊肿,均位于咽顶部两侧头长肌之间,MRI表现为典型的长T1长T2信号,囊壁薄而光整,囊内无分隔及实性组织成分.结论 Thornwaldt's囊肿MRI具有特征性表现,MRI对其诊断具有重要价值.
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