Comparison of outcomes of treatment for ranula: a proportion meta-analysis

Y. S. Chung, Y. Cho, B. H. Kim

Research output: Contribution to journalReview articlepeer-review

27 Scopus citations

Abstract

Treatment for ranula is classified into three categories depending on how the leaking saliva is managed: removal of the leaking site by intraoral or transcervical resection of the sublingual gland; formation of a drainage tract through the wall of the pseudocyst by micromarsupialisation or marsupialisation; or sealing of the site of the leak by inducing fibrosis with a sclerosing agent. Resection of the sublingual gland is probably the option most likely to be curative for both oral and plunging ranula considering their pathophysiology. Although alternative treatments have been introduced to avoid the invasiveness of resection of the gland, their outcomes have been inconsistent. The objective of this study therefore was to help decision-making by providing more integrated rates of cure, consistency of treatment, and morbidity, depending on types of treatment used in previous series of cases. We used proportion meta-analysis of 39 such published series, and the most curative treatment for oral ranula was intraoral resection of the sublingual gland. Micromarsupialisation and its modification showed cure rates comparable with those of resection of the gland, but these were moderately inconsistent. In the treatment of plunging ranula, there was no significant difference in cure rate between the intraoral and transcervical approaches, although they both showed higher cure rates than injection of OK-432. Comparisons of morbidity were available for patients who had developed nerve dysfunction and haematoma after the intraoral and transcervical approaches and there was no significant difference between the two, though the morbidity was higher after the transcervical than that after the intraoral approach. In conclusion, intraoral resection of the sublingual gland is sufficient treatment with a tendency to have fewer complications than that in the transcervical approach.

Original languageEnglish
Pages (from-to)620-626
Number of pages7
JournalBritish Journal of Oral and Maxillofacial Surgery
Volume57
Issue number7
DOIs
StatePublished - Sep 2019

Keywords

  • Oral ranula
  • Plunging ranula
  • proportion meta-analysis

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