CT diagnosis of gallbladder adenomyomatosis: importance of enhancing mucosal epithelium, the "cotton ball sign".
Hyun Kyung YangHyun Kyung YangMi Hye YuSang Min LeeJinyoung ParkNa Young HanKyoungbun LeeJin-Young JangJoon Koo HanPublished in: European radiology (2018)
• Prevalence of the cotton ball sign on CT was 74% in gallbladder adenomyomatosis. • The cotton ball sign was useful in differentiating gallbladder adenomyomatosis from gallbladder cancer. • The cotton ball sign was more sensitive than the pearl necklace sign for adenomyomatosis diagnosis.