This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
Most common orbital cyst in children- 
Select and explain. 
A. Neurenteric cyst, B. Dermoid cyst, C. Lymphoma, D. Clobomatous cyst
B: Dermoid cyst
Answer: B: Dermoid cyst 
Explanation: Common tumours arise from an embryonic displacement of the epidermis to a subcutaneous location. The cystic component is lined with keratinising epithelium and contain one or more dermal adnexal structures like hair follicle and sebaceous glands. Ref :Ak khurana 6th edition page no:420 IMG REF