This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Plastic Surgery and Skin Lesions, Subject name: Surgery
Cylindroma is: 
Select and explain. 
A. Appendage tumor, B. Acinic cell carcinoma, C. Pleomorphic adenoma, D. Wahin's tumor
A: Appendage tumor
Answer: A: Appendage tumor 
Explanation: Cylindroma A malignant epithelial tumour also known as Turban tumor Known as cylindroma because of histological appearance