The importance of sublingual gland removal in treatment of ranulas: A large retrospective study.

Investigate the efficacy of sublingual gland removal for the treatment of simple and plunging ranulas. After IRB approval, a retrospective review was performed on patients treated for a ranula from February 2013 to May 2018 at Texas Children's Hospital in Houston, TX. Clinical data was collected from medical records and patients were contacted in November 2018 to obtain additional information about recurrences or complications. This study included 52 patients with ranulas (10 plunging, 42 simple; M:F 21:31) with a mean age of 9.68 years. Eighteen patients provided information in the extended follow-up period. Simple ranulas were treated with intraoral excision of the cyst and the sublingual gland (27 cases), marsupialization (7 cases), intraoral excision of the cyst alone (7 cases), and intraoral excision of the cystic component and subsequent marsupialization after recurrence (1 case); intraoral excision of the sublingual gland was not associated with any recurrence. Plunging ranulas were treated with intraoral excision of the cyst and/or sublingual gland (7 cases) or with a transcervical approach (3 cases). One patient was initially treated with sclerotherapy before undergoing intraoral excision of the sublingual gland. Two patients treated with transcervical excision of the cyst experienced recurrence compared to no recurrence with intraoral excision of the sublingual gland. Intraoral removal of the sublingual gland is the most effective treatment for both simple and plunging ranulas. Plunging ranulas must be considered in patients presenting with a submandibular and submental cystic mass given intraoral extension may not be apparent.

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Declaration of competing interest None.