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
[{'content': 'Most common orbital cyst in children- \nSelect and explain. \nA. Neurenteric cyst, B. Dermoid cyst, C. Lymphoma, D. Clobomatous cyst', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 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', 'role': 'assistant'}]