This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oral Cavity, Subject name: Surgery
The clinical diagnosis of the patient is? 
Select and explain. 
A. Ranula, B. Cystic Hygroma, C. Erythroplakia, D. Epulis
A: Ranula
Answer: A: Ranula 
Explanation: Ans. (a) RanulaRanula is a pseudocyst that is associated with mucus extravasation into the surrounding soft tissues. These lesions occur as the result of trauma or obstruction to the salivary gland excretory duct and spillage of mucin into the surrounding soft tissues.