Lingal cyst is made by the same mechanism as ranula. But, its leakage of saliva is from anterior lingual gland not sublingual gland. Anterior lingual gland is also called as Blandin-Nuhn gland. So, it is commonly called as Blandin-Nuhn cyst.
The recurrence rate after surgery is high. In a japanese report, its recurrence rate is reported as 20 to 40%.

Lingual cyst (1)-1

From Left: Before treatment, 1 week, 1 month after treatment

15 years old boy. 0.5 KE of OK-432 was injected.

Lingual cyst (1)-2

From Left: Before treatment, 2 week, 1 month after treatment

14 years old girl. 0.5 KE of OK-432 was injected.

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