J Korean Assoc Oral Maxillofac Surg.  2019 Dec;45(6):357-363. 10.5125/jkaoms.2019.45.6.357.

Case report of the management of the ranula

  • 1Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, Iksan, Korea. omschoi@wonkwang.ac.kr


Ranula is a mucocele caused by extravasation of the sublingual gland on the floor of the mouth. The most common presentation is a cystic mass in the floor of the mouth. A portion of the sublingual gland could herniate through the mylohyoid muscle, and its extravasated mucin can spread along this hiatus into submandibular and submental spaces and cause cervical swelling. This phenomenon is called plunging ranula. A variety of treatments for ranula has been suggested and include aspiration of cystic fluid, sclerotherapy, marsupialization, incision and drainage, ranula excision only, and excision of the sublingual gland with or without ranula. Those various treatments have shown diverse results. Most surgeons agree that removal of the sublingual gland is necessary in oral and plunging ranula. Four patients with ranula were investigated retrospectively, and treatment methods based on literature review were attempted.


Ranula; Sublingual gland; Plunging ranula
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