口腔粘液囊肿多发生于唇、颊、舌等处的粘液腺组织内,一般系因受到外伤或反复轻微损仿后,使粘液腺导管排泄受阻,分泌物聚集在腺内,粘液腺逐渐膨胀,腺组织退化,形成了透明略带青蓝色囊性肿物。其体积一般较小,有时可长到蚕豆大,常常由于刺破,咬破或自行破溃而流出无色透明粘液,囊肿可暂时消逝,但不久囊壁修复,囊液又继续充满囊腔而复发。多次破溃复发病例, Oral mucoceles occur in the lip, cheek, tongue and other mucus gland tissue, usually due to trauma or repeated slight damage after imitation, so mucus gland duct excretion blocked, secretions gathered in the gland, mucus gland gradually expanded, Glandular tissue degeneration, the formation of a clear slightly blue cystic mass. The volume is generally small, and sometimes can grow to broad beans, often as a result of punctured, bite or ulceration and outflow of colorless and transparent mucus, the cyst can temporarily disappear, but soon the wall repair, cyst fluid and continue to fill the cyst and relapse. Repeatedly ruptured cases of recurrence,