It is mainly due to the duct of sublingual gland or submandibular gland being blocked, or the cyst formed by secretion extravasation after the duct is broken. The reasons are injury, salivary gland stones, inflammatory stimulation at the bottom of the mouth and so on. The cyst is located at the floor of the mouth and is light blue in color. It is usually a cyst with a diameter of 1cm, but there are also cysts with obvious swelling.

The treatment of sublingual cyst can choose CO2 laser and Nd: YAG laser. The key to treatment lies in thorough treatment of the cyst wall, such as removal of salivary glands. The complexity of the operation depends on the size of the cyst, which is less than 1cm in diameter. After local anesthesia, the weakest part of the cyst wall is cut with a laser knife, and the inner wall is irradiated with laser after the contents in the cavity are exhausted. If the cavity diameter is large, suture1~ 2 stitches directly. Note that the contents discharged from the cavity should irradiate the capsule wall thoroughly and evenly, but there is no black carbonized tissue. Irradiation stops when the inner wall tissue solidifies without re-secretion.

Larger cysts with a diameter of more than ＞2cm2 affect the function of tongue extension and food stirring, so it is necessary to do a good job of floor plastic surgery while removing the cysts, that is, to restore the normal position function of the tongue.

Because sublingual cysts are common with different degrees of inflammatory cell infiltration, inflammatory reactions can be seen. Therefore, after laser surgery, antibiotics should be given for 2 weeks regardless of cyst size.

Disease description

Most sublingual cysts are exudative cysts of sublingual gland, which are mostly caused by the damage of gland or catheter of sublingual gland and the leakage of mucus into tissue space. Common in young people. It is also called "toad swelling" because its appearance is similar to the pharyngeal sac raised by mosquitoes when frogs croak.

Symptoms and signs

Sublingual cyst is located at the bottom of the mouth, on one side of the lingual frenum, transparent and slightly blue. The capsule wall is very thin, and the covered oral mucosa can be pushed. The contents are colorless viscous liquid. The sublingual cyst is sometimes very large, which can extend to the opposite side under the lingual frenum, or to the bottom of the mouth and protrude to the submaxillary.

Etiology of disease

Most sublingual cysts are exudative cysts of sublingual glands, which are mostly caused by the damage of glands or ducts of sublingual glands and the leakage of mucus into tissue spaces.

Pathophysiology

Most sublingual cysts are exudative cysts of sublingual glands, which are mostly caused by the damage of glands or ducts of sublingual glands and the leakage of mucus into tissue spaces. Sublingual cyst is located at the bottom of the mouth, on one side of the lingual frenum, transparent and slightly blue. The capsule wall is very thin, and the covered oral mucosa can be pushed. The contents are colorless viscous liquid. The sublingual cyst is sometimes very large, which can extend to the opposite side under the lingual frenum, or to the bottom of the mouth and protrude to the submaxillary.

therapeutic regimen

The way to eradicate sublingual cyst is to remove sublingual gland without removing the cyst wall. Patients who are young or weak enough to tolerate sublingual adenoidectomy can remove the anterior wall of the cyst and sew its edge with the oral mucosa (bag suture).