J Korean Assoc Oral Maxillofac Surg 2019; 45(6): 357~363
Case report of the management of the ranula
Moon-Gi Choi
Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, Iksan, Korea
Moon-Gi Choi
Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, 460 Iksan-daero, Iksan 54538, Korea
TEL: +82-63-859-2921 FAX: +82-63-859-2926
E-mail: omschoi@wonkwang.ac.kr
ORCID: https://orcid.org/0000-0003-3502-7652
Received July 19, 2018; Revised October 31, 2018; Accepted November 17, 2018.; Published online December 31, 2019.
© The Korean Association of Oral and Maxillofacial Surgeons.. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
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.
Keywords: Ranula, Sublingual gland, Plunging ranula


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31 December 2019
Vol. 45
No. 6 pp. 301~378

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