Eunice Y. L. Dai, MBBS, FRCR; H. Y. Yuen, MBChB, FRCR; Anil T. Ahuja, MD, FRCR
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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
TERMINOLOGY
Abbreviations
Simple ranula (SR), diving ranula (DR)
Synonyms
Sublingual gland mucocele, mucous retention cyst
DR is also referred to as plunging ranula
Definitions
Retention cyst resulting from trauma or inflammation of sublingual gland (SLG) or minor salivary glands in sublingual space (SLS)
SR: Postinflammatory retention cyst of SLG or SLS minor salivary glands with epithelial lining
Located above mylohyoid muscle near SLG
DR: Extravasation pseudocyst; term used when SR becomes large & ruptures out of posterior SLS into submandibular space (SMS), creating pseudocyst lacking epithelial lining
Term ranula derives from Latin "rana" = frog
Sublingual blebs in mouth of frog resemble SR
IMAGING
General Features
Ultrasonographic Findings
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Brown RE et al: Diagnostic imaging of benign and malignant neck masses in children-a pictorial review. Quant Imaging Med Surg. 6(5):591-604, 2016
Jain P et al: Types of sublingual gland herniation observed during sonography of plunging ranulas. J Ultrasound Med. 33(8):1491-7, 2014
Agarwal AK et al: Submandibular and sublingual spaces: diagnostic imaging and evaluation. Otolaryngol Clin North Am. 45(6):1311-23, 2012
Harnsberger HR et al: Diagnostic Imaging: Head & Neck. 2nd ed. Salt Lake City: Amirsys, Inc. 1-14, 20-23, 2011
Choi TW et al: Hydrodissection for complete removal of a ranula. Ear Nose Throat J. 82(12):946-7, 951, 2003
Macdonald AJ et al: Giant ranula of the neck: differentiation from cystic hygroma. AJNR Am J Neuroradiol. 24(4):757-61, 2003
Ahuja AT et al: Practical Head & Neck Ultrasound. London: Greenwich Medical Media. 85-104, 2000
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
TERMINOLOGY
Abbreviations
Simple ranula (SR), diving ranula (DR)
Synonyms
Sublingual gland mucocele, mucous retention cyst
DR is also referred to as plunging ranula
Definitions
Retention cyst resulting from trauma or inflammation of sublingual gland (SLG) or minor salivary glands in sublingual space (SLS)
SR: Postinflammatory retention cyst of SLG or SLS minor salivary glands with epithelial lining
Located above mylohyoid muscle near SLG
DR: Extravasation pseudocyst; term used when SR becomes large & ruptures out of posterior SLS into submandibular space (SMS), creating pseudocyst lacking epithelial lining
Term ranula derives from Latin "rana" = frog
Sublingual blebs in mouth of frog resemble SR
IMAGING
General Features
Ultrasonographic Findings
CT Findings
MR Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Brown RE et al: Diagnostic imaging of benign and malignant neck masses in children-a pictorial review. Quant Imaging Med Surg. 6(5):591-604, 2016
Jain P et al: Types of sublingual gland herniation observed during sonography of plunging ranulas. J Ultrasound Med. 33(8):1491-7, 2014
Agarwal AK et al: Submandibular and sublingual spaces: diagnostic imaging and evaluation. Otolaryngol Clin North Am. 45(6):1311-23, 2012
Harnsberger HR et al: Diagnostic Imaging: Head & Neck. 2nd ed. Salt Lake City: Amirsys, Inc. 1-14, 20-23, 2011
Choi TW et al: Hydrodissection for complete removal of a ranula. Ear Nose Throat J. 82(12):946-7, 951, 2003
Macdonald AJ et al: Giant ranula of the neck: differentiation from cystic hygroma. AJNR Am J Neuroradiol. 24(4):757-61, 2003
Ahuja AT et al: Practical Head & Neck Ultrasound. London: Greenwich Medical Media. 85-104, 2000
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