Tornwaldt's cyst is an uncommon type of nasopharyngeal cyst that may cause clinically significant symptoms. We reviewed reports of 31,855 computed tomography (CT) scans and 21,158 magnetic resonance imaging (MRI) scans to ascertain how many Tornwaldt's cysts were discovered incidentally. These images had been obtained between Jan. 1, 1994, and Dec. 31, 1999, at the University of Virginia Health Sciences Center. We found that 32 Tornwaldt's cysts had been incidentally detected in 20 women and 12 men. Four of these cysts had been found on CT (0.013

作者：Marcus W, Moody；David H, Chi；David M, Chi；John C, Mason；C Douglas, Phillips；Charles W, Gross；Rodney J, Schlosser

来源：Ear, nose, & throat journal 2007 年 86卷 1期