This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Orbit, Subject name: Ophthalmology
Axial proptosis is associated with 
Select and explain. 
A. Optic glioma, B. Dermoid cyst, C. Lacrimal gland tumors, D. Maxillary tumors
A: Optic glioma
Answer: A: Optic glioma 
Explanation: Ans. (a) Optic gliomaRef Kanski 7/e, chapter 3, Jakabisc 3/e, p. 2886* Space-occupying lesions within the muscle cone, such as cavernous haemangiomas and optic nerve tumours cause axial proptosis.