This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': 'Muir toyre syndrome shows \nSelect and explain. \nA. Sebaceous keratomas, B. Lisch nodules, C. Intestinal polyp, D. Hyperelastic joints', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Muir-Torre syndrome is a rare hereditary, autosomal dominant cancer syndrome that is thought to be a subtype of HNPCC. Individuals are prone to develop cancers of the colon, genitourinary tract, and skin lesions, such as keratoacanthomas and sebaceous tumors. Ref Davidson 23rd edition pg 1244', 'role': 'assistant'}]