This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
Frog face deformity of nose is caused by 
Select and explain. 
A. Rhinoscleroma, B. Angiofibroma, C. Antral polyp, D. Ethmoidal polyp
B: Angiofibroma
Answer: B: Angiofibroma 
Explanation: It is due to the extension of nasopharyngeal fibroma into orbit through the inferior and superior orbital fissure and destroys apex of the orbit, giving rise to proptosis and frog face deformity. (Ref: Diseases of ear, nose and throat, PL Dhingra, 7th edition, Pg no. 279)