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: Pathology
Which skin tumor is k/a "Turban tumor" ? 
Select and explain. 
A. Basal cell carcinoma, B. Squamous cell carcinoma, C. Cutaneous cylindroma, D. Dermatofibroma
C: Cutaneous cylindroma
Answer: C: Cutaneous cylindroma 
Explanation: Ans. is 'c' i.e., Cutaneous cylindroma In dermatologic pathology, a dermal cylindroma, also dermal eccrine cylindroma) and (less specifically) cylindroma, is a benign adnexal tumor, which occurs on the scalp and forehead.Multiple cylindromas may grow together in a "hat-like" configuration, sometimes referred to as a turban tumor.