MacEwen's sign is seen in:: (A) Lead poisoning, (B) Arsenic poisoning, (C) Ethanol poisoning, (D) Copper poisoning
Answer is C. MacEwen signs (MacEwen pupil) The pupil of a patient comatose from alcohol intoxication dilates briefly when the patient is stimulated but not awakened, while that of a patient comatose from structural disease does not get dilated for mild stimulation. Ref: Principles of forensic medicine, Apurva nandy, 3rd Edition,Page 847.