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 of the following lesion shows characteristic anagen, catagen and telogen phases? 
Select and explain. 
A. Verucca vulgaris, B. Squamous papilloma, C. Keratoacanthoma, D. All of the above
C: Keratoacanthoma
Answer: C: Keratoacanthoma 
Explanation: Kerato acanthoma is a self healing carcinoma.
It shows growth phase, stationary phase, regression phase.