Most common orbital cyst in children-
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
Neurenteric cyst
Dermoid cyst
Lymphoma
Clobomatous cyst
Diseases of orbit, Lids and lacrimal apparatus