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Plunging ranula: clinical observations

M J Davison1, R P Morton, N P McIvor

  • 1Department of Otolaryngology, Green Lane Hospital, Auckland, New Zealand.

Head & Neck
|February 17, 1998
PubMed
Summary
This summary is machine-generated.

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Plunging ranulas, a rare salivary gland condition, are more common in Polynesian populations. Management involves sublingual gland removal, avoiding pseudocyst excision to prevent complications like nerve damage.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Surgical Pathology

Background:

  • Plunging ranula is an uncommon mucus escape reaction from sublingual gland disruption.
  • This study reviews 20 patients managed over a 9-year period at Green Lane Hospital, Auckland.

Purpose of the Study:

  • To analyze the characteristics, predisposing factors, treatment, and outcomes of plunging ranula cases.
  • To investigate potential ethnic predispositions and surgical management strategies.

Main Methods:

  • Retrospective review of 13 patients and prospective study of 7 patients.
  • Data collected included demographics, history, predisposing factors, treatment approach, and outcomes.

Main Results:

  • The study population comprised young adults (median age 31), with equal male/female distribution, predominantly of Maori or Pacific Island Polynesian origin.

Related Experiment Videos

  • Recurrences and lingual nerve damage were noted, particularly with cervical sublingual gland excision.
  • Trauma was a reported predisposing factor in some cases.

    • Conclusions:

    • Plunging ranulas show a higher incidence in Maori and Pacific Island Polynesian populations, possibly due to trauma or anatomical factors.
    • Sublingual gland removal is crucial for management; pseudocyst excision is generally not recommended.
    • Biopsy of the pseudocyst wall aids diagnosis, while careful surgical technique minimizes complications.