This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plastic & Reconstructive Surgery, Subject name: Surgery
Cock's peculiar tumour is: 
Select and explain. 
A. Papilloma, B. Infected sebaceous cyst, C. Cylindroma, D. Squamous cell carcinoma
B: Infected sebaceous cyst
Answer: B: Infected sebaceous cyst 
Explanation: Ans: b (Infected sebaceous cyst)Ref: Bailey & Love, 23rd ed,p. 173, Fig (13.15) & S. Das Surgery, 3rded, p. 81