This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
A child presents with an expansile swelling on medial side of the nose. Likely diagnosis is - 
Select and explain. 
A. Teratoma, B. Meningcoele, C. Dermoid cyst, D. Lipoma
B: Meningcoele
Answer: B: Meningcoele 
Explanation: Ans. is 'b' i.e., Meningocoele Meningocoele presents as a cystic swelling which is expansile, transluscent, compressible and show a positive fluctuation test. Common sites include : 1. Lumbosacral region (Commonest) 2. Occipital region 3. Root of nose