The mucocele inside full liquid was a homogeneous cystic mass in 3 cases,cystic mass with internal septations in 1cases , and cystic mass with peripheral solid tissue in 1 case .

• 囊内积满液性暗区，内有细小均匀光点3例，有分隔1例，囊性为主，边缘实性组织1例。