R. NICKBRYANMDS. JAMESZINREICHMD
A ranula is a sublingual gland cyst that results from mucus retention1 or extravasation.2 Two varieties are described based on their extent: intraoral ranulas contained entirely within the sublingual space and those extending below the mylohyoid diaphragm, known as plunging ranulas.
Radiology Quiz Case 1—Diagnosis. Arch Otolaryngol Head Neck Surg. 2003;129(4):492. doi:10.1001/archotol.129.4.490
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