This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: E.N.T., Subject name: Surgery
[{'content': 'Middle area of face fracture (le-fort fracture) is characterized by all except \nSelect and explain. \nA. Proptosis, B. Lengthening of face, C. Enopthalmos, D. Ecchymosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) ProptosisRef: Bailey & Love 26th ed. 1344Lefort IEcchymosis is presentLefort II and Lefort III (common)Gross edema of soft tissue over the middle third of the face, bilateral circumorbital ecchymosis, bilateral sub-conjunctival hemorrhage, epistaxis, CSF rhinorrhoea, dish face deformity, diplopia, enophthalmos, cracked pot sound.Lefort IIStep deformity at infra-orbital margin, mobile mid face, anesthesia or paresthesia of cheek.Lefort IIITenderness and separation at fronto- zygomatic suture, lengthening of face, depression of ocular levels, Enophthalmos, hooding of eyes, tilting of occlusal plane with gagging on one side FIG.: Le-fort fracture', 'role': 'assistant'}]