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Sonopalpation for Ultrasound Evaluation of Plunging Ranula
Evgeniya Molotkova1, Joan Maley2, Henry Hoffman1
1Department of Otolaryngology - Head and Neck Surgery, University of Iowa Hospitals and Clinics, Iowa City, IA, USA.
Ear, Nose, & Throat Journal
|July 28, 2025
Summary
Sonopalpation, an ultrasound technique, effectively identified plunging ranulas in three patients. This method aids in visualizing the sublingual gland, ranula fluid, and mylohyoid dehiscence, improving diagnosis.
Area of Science:
- Radiology
- Otolaryngology
- Surgical Anatomy
Background:
- Ultrasound (US) is a primary imaging modality for neck masses, including plunging ranula.
- The diagnostic utility of sonopalpation for plunging ranula has not been previously reported.
Purpose of the Study:
- To introduce and describe the technique of sonopalpation for evaluating plunging ranula.
- To correlate sonopalpation findings with surgical and pathological results.
Main Methods:
- Retrospective review of three surgically treated plunging ranula cases.
- Analysis of imaging, surgical, and pathology data.
- Application and assessment of the sonopalpation technique during ultrasound.
Main Results:
- Ultrasound with sonopalpation accurately identified plunging ranula anatomy in all three cases.
- Findings were corroborated by surgical exploration and histopathological examination.
- Sonopalpation clarified the spatial relationships between the sublingual gland, ranula, and mylohyoid dehiscence.
Conclusions:
- Ultrasound with sonopalpation is effective for diagnosing plunging ranula.
- Sonopalpation enhances standard ultrasound by defining critical anatomical relationships.
- This technique shows promise as a valuable adjunctive tool in the diagnostic workup of plunging ranula.
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