This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poisoning, Subject name: Anatomy
All are features of chronic arsenic poisoning except 
Select and explain. 
A. Aldrich Mees lines, B. Raindrop pigmentation, C. Buonian lines, D. Black foot disease
C: Buonian lines
Answer: C: Buonian lines 
Explanation: Cutaneous manifestations of chronic arsenic poisoning Rain drop pigmentation Aldrich Mees lines Black foot disease Perforation of nasal septum Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 422