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: Orthopaedics
Which of the following is not affected in gout? 
Select and explain. 
A. Muscle, B. Skin, C. Cartilage, D. Tendon
A: Muscle
Answer: A: Muscle 
Explanation: Gouty arthritis : Joints (Toes, tarsus, ankle, hand), Bursa.
Tophi: Articular cartilage, Periarticular ligaments, tendons, earlobes, kidney, nasal cartilage, the skin of fingertips, palms & soles.