窒息是导致口腔颌面外科病人死亡的重要原因之一。引起呼吸困难以至窒息的原因很多。而因舌下腺囊肿急性发作,口底软组织内唾液大量潴留,形成包块引起的呼吸困难,临床上是少见的。舌下腺囊肿通常是一种慢性疾病,病程多为数月或一年左右。常为青少年。多由于外伤或其他原因所致的舌下腺导管阻塞或断裂,引起唾液漏出潴留在口底软组织中而形成半透明的假性囊肿。囊壁极薄,稍长大后常易破裂,所以包块一般 Asphyxia is one of the important causes of death of oral and maxillofacial surgery patients. Cause breathing difficulties and asphyxia for many reasons. However, due to the acute attack of sublingual gland cyst, a large number of saliva in the mouth soft tissue retention, the formation of mass caused by breathing difficulties, clinically rare. Sublingual gland cyst is usually a chronic disease, the course of many months or a year or so. Often young people. More due to trauma or other causes of sublingual duct obstruction or fracture, causing salivary leakage retention in the oral soft tissue formation of translucent pseudocysts. Very thin wall, often grow up easily rupture, so mass in general