This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
Dermatological sign of carcinoma stomach is? 
Select and explain. 
A. Palmoplantar keratoderma, B. Acquired ichthyosis, C. Acanthosis Nigrans, D. Acrokeratosis paraneopiastica
C: Acanthosis Nigrans
Answer: C: Acanthosis Nigrans 
Explanation: ANSWER: (C) Acanthosis NigransREF: Fitz Patricks Dermatology 6th Edition Page 1612, Harrison's 18th ed chapter 53Indirect repeat Dermatology 2008,2003 (See table of TYPES AND CAUSES OF ACANTHOSIS NIGRICANS) 8t Surgery June 2009