Karnataka PGET Surgery MCQ Answer 25

• A ranula is either a mucus retention cyst or a mucus extravasation pseudocyst arising from an obstructed sublingual gland.
  
• A simple ranula is confined to the oral cavity as a cystic unilateral mass of the floor of the mouth.
  
• A plunging ranula may pierce the mylohyoid and present as a paramedian or lateral neck mass with or without an obvious oral cavity ranula.
  
• They should be differentiated from dermoid cysts and lymphangiomas.
  
• Cyst aspiration consistently reveals fluid with high levels of protein and salivary amylase.
• CT or MRI will demonstrate a uniloculated cystic mass arising from the sublingual space with extension into the submental, submandibular, or parapharyngeal space.
• Marsupialization has led to a high rate of recurrence of these lesions.
  
• Surgical treatment includes excision in continuity with the sublingual gland of origin.

Category: Karnataka PGET 2007 MCQs